结果:找到“year is”相关内容323个,排序为按回复时间降序,搜索更多相关帖子请点击“高级
芝加哥商品期货交易所skew和vix指数计算(python语言实现)
2 个回复 - 2987 次查看 芝加哥商品期货交易所发布的vix及skew指数无论在学术研究还是投资实务中均具有举足轻重的作用。本贴旨在提供以芝加哥商品期货交易所发布的计算白皮书为依据的上述两种指数的python计算源码,并以50etf期权为例子实现 ...2019-4-22 10:41 - lgcgj1713 - 现金交易版
government finance statistics yearbook 10-17年
8 个回复 - 2830 次查看 从IMF官网下载,10年至17年的GFSY2021-8-2 10:41 - luckieie - 世界经济与国际贸易
【独家发布】【2016新书】A Million Years in a Day: A Curious History of Everyday Life from
36 个回复 - 2265 次查看 如果喜欢该文档,欢迎订阅【2016新书】文库,http://bbs.pinggu.org/forum.php?mod=collection&action=view&ctid=3187 图书名称:[/backcolor]A Million Years in a Day: A Curious History of Everyday Life fro ...2016-9-28 10:27 - 牛尾巴 - 经管书评
International Yearbook of Industrial Statistics 2018
24 个回复 - 1515 次查看 Edward Elgar | 2018 | ISBN 978 1 78811 658 9 | 673 pages | PDF **** 本内容被作者隐藏 ****2018-3-22 15:14 - igs816 - 经管书评
【科学美国人2016全年期刊】 Scientific American Full Year 2016 Issues Collection
70 个回复 - 3993 次查看 **** 本内容被作者隐藏 ****2016-11-22 01:51 - cmwei333 - 经管书评
【世界历史】 All About History Book of History Year by Year Volume 2 (2016)
24 个回复 - 1881 次查看 All About History Book of History Year by Year Volume 2 From the Reformation to the age of Revolution, volume two of History Year by Year gives you an in-depth insight into the events that shap ...2016-12-9 16:42 - cmwei333 - 经管书评
【世界历史】 All About History Book of History Year by Year Volume 1
28 个回复 - 2020 次查看 All About History Book of History Year by Year Volume 1 From ancient civilisations to medieval times, volume one of History Year by Year gives you an in-depth insight into the events that shape ...2016-12-9 16:51 - cmwei333 - 经管书评
【氧:四十亿年的历史】 Oxygen : A Four Billion Year History
8 个回复 - 921 次查看 Oxygen: A Four Billion Year History (Science Essentials) by Donald E. Canfield (Author) The air we breathe is twenty-one percent oxygen, an amount higher than on any other known world. Whi ...2016-12-15 19:30 - cmwei333 - 经管书评
MISQ Paper of the Year 管理信息系统季刊 2005-2017 年度最佳论文
2 个回复 - 1560 次查看 MISQ Paper of the Year RecipientsPaper of the Year for 2017“Platform Ecosystems: How Developers Invertthe Firm”Geoffrey Parker, Marshall Van Alstyne, andXiaoyue Xiang(Volume 40, Issue 1, March 2017; ...2019-10-28 21:01 - JGjas - 管理信息系统
The visual MBA _ two years of business school packed into one priceless book
4 个回复 - 361 次查看 The visual MBA _ two years of business school packed into one priceless book of pure awesomeness-Houghton Mifflin Harcourt (2019)2019-5-18 14:09 - bztian - 经管书评
Statistical Yearbook 2022
0 个回复 - 577 次查看 Statistical Yearbook[/backcolor]Comprehensive compilation of internationally available statistics on social and economic conditions and activities, at world, regional and national levels.2022-10-15 19:22 - gaowq - 数据交流中心
Americana A 400-Year History of American Capitalism
2 个回复 - 707 次查看 2017年 经济学人杂志评选书单2018-1-5 10:36 - heiquan - 经管书评
timevar (year) may not contain missing values when option full is specified
10 个回复 - 5680 次查看 timevar (year) may not contain missing values when option full is specified 显示这个是什么意思?2018-9-10 21:39 - 政治珂代表 - Stata专版
跑时间固定效应模型为什么会出现existing panel variable is not year
7 个回复 - 5036 次查看 如题,是要先生成虚拟变量再用这个模型吗?2017-2-18 16:06 - 唐小猫 - Stata专版
gen time = (year >= 77) & !missing(year)
10 个回复 - 3813 次查看 小白,在做did双重差分时,有个步骤下面这个代码 gen time = (year >= 2015) & !missing(year) 但输到stata里面后所有的time都是0,而不是大于2015的time是1 请问这种情况是怎么回事,要如何解决2020-12-12 14:20 - 暂时没想到 - Stata专版
【2019新书】Nine Crises: Fifty Years of Covering the British Economy ...
22 个回复 - 3887 次查看 Nine Crises: Fifty Years of Covering the British Economy - from Devaluation to Brexit by William Keegan (Author) About the Author William Keegan is the senior economics commentator of The Obser ...2019-2-10 18:51 - slowry - 金融学(理论版)
【2019新书】A Brief History of Doom: Two Hundred Years of Financial Crises
23 个回复 - 4508 次查看 A Brief History of Doom: Two Hundred Years of Financial Crises by Richard Vague (Author) About the Author Philanthropist and former banker Richard Vague is a managing partner of Gabriel Investme ...2019-6-2 15:33 - slowry - 金融学(理论版)
variable year contains all missing values
6 个回复 - 9291 次查看 variable year contains all missing values有时出现这个问题是因为reshape long后面的变量名称写错了2020-7-26 20:33 - youngyaoguai - Stata专版
【独家发布】The Pandemic Century: One Hundred Years of Panic, Hysteria, and Hubris
8 个回复 - 712 次查看 **** 本内容被作者隐藏 ****2020-3-24 07:40 - Nicolle - winbugs及其他软件专版
May your finances profitable this year!
2 个回复 - 2674 次查看 ——财神爷—— 财神爷财神爷,那英文翻译一定要既有“财”,又有“神”了。 一般,会有三种说法: 1.the God of Wealth wealth,/welθ/,n. 财富;大量;富有。因此,the God of Wealth就是“财富之神”的 ...2022-2-6 10:04 - 杨明凡 - 外语学习
new year wish
0 个回复 - 256 次查看 i wish can make lots of money this year2022-1-24 10:42 - CAPTCHEN - Forum
STATISTICAL YEARBOOK OF THE REPUBLIC OF CHINA 2009
2 个回复 - 1104 次查看 STATISTICAL YEARBOOK OF THE REPUBLIC OF CHINA 20092021-12-20 17:04 - muffin-moon - 数据交流中心
STATISTICAL YEARBOOK OF THE REPUBLIC OF CHINA 2011
1 个回复 - 445 次查看 STATISTICAL YEARBOOK OF THE REPUBLIC OF CHINA 20112021-12-25 20:23 - muffin-moon - 数据交流中心
STATISTICAL YEARBOOK OF THE REPUBLIC OF CHINA 2012
1 个回复 - 478 次查看 STATISTICAL YEARBOOK OF THE REPUBLIC OF CHINA 20122021-12-25 20:22 - muffin-moon - 数据交流中心
STATISTICAL YEARBOOK OF THE REPUBLIC OF CHINA 2014
1 个回复 - 693 次查看 STATISTICAL YEARBOOK OF THE REPUBLIC OF CHINA 20142021-12-25 11:28 - muffin-moon - 数据交流中心
STATISTICAL YEARBOOK OF THE REPUBLIC OF CHINA 2007
0 个回复 - 462 次查看 STATISTICAL YEARBOOK OF THE REPUBLIC OF CHINA 20072021-12-25 20:24 - muffin-moon - 数据交流中心
IMF Government Finance Statistics Yearbook
0 个回复 - 306 次查看 求IMF Government Finance Statistics Yearbook(2011-2020),要不然论文写不下去了2021-11-30 14:54 - scc7523 - 数据求助
A soft opening to the public occurred this time last year.
0 个回复 - 2094 次查看 01. 概念,观念 Concept - an idea or plan, especially for a retail business. [*]I want to open a new restaurant. I want the concept to be French or Central European.我想开一家新餐馆。我希望它 ...2021-9-4 07:11 - 杨明凡 - 外语学习
One Hundred Years of Rare Disaster Concerns and Commodity Prices
1 个回复 - 532 次查看 【作者(必填)】 One Hundred Years of Rare Disaster Concerns and Commodity Prices Qunzi Zhang 2021 https://onlinelibrary.wiley.com/doi/abs/10.1002/fut.22256 https://doi.org/10.1002/fut.22256 ...2021-8-19 10:58 - freiburgskirt - 求助成功区
(世界粮食和农业- 2020年统计年鉴)World Food and Agriculture Statistical Yearboo
0 个回复 - 848 次查看 (世界粮食和农业- 2020年统计年鉴)World Food and Agriculture Statistical Yearbook 2020 英文版,内容可复制2021-8-14 13:53 - MSZS - 现金交易版
IMF国际收支统计年鉴2012-2018 IMF Balance of Payments Statistics Yearbook
0 个回复 - 2417 次查看 IMF出版的国际收支统计年鉴(2012年-2018年)2021-7-13 14:50 - chow8100 - 数据交流中心
求“What good is a volatility model?” A reexamination after 20 years
2 个回复 - 444 次查看 【作者(必填)】Christopher F. Baum, Stan Hurn 【文题(必填)】“What good is a volatility model?” A reexamination after 20 years 【年份(必填)】 2021 【全文链接或数据库名称(选填)】First Published J ...2021-7-4 10:03 - 地下爆菊 - 求助成功区
东盟统计年鉴2020(英文版)高清PDF格式内容可复制 ASEAN STATISTICAL YEARBOOK 2020
0 个回复 - 1616 次查看 东盟统计年鉴2020(英文版)高清PDF格式内容可复制 ASEAN STATISTICAL YEARBOOK 2020 The ASEAN Statistical Yearbook is one of the ASEAN Secretariat’s most established publications since it was first re ...2021-5-27 10:58 - MSZS - 现金交易版
求电子版 Building the Global Market:A 4000 Year History of Derivatives
3 个回复 - 611 次查看 【作者(必填)】Edward J. Swan 【文题(必填)】 Building the Global Market:A 4000 Year History of Derivatives 【年份(必填)】2000 【全文链接或数据库名称(选填)】2020-6-27 23:45 - kaoyanle - 求助成功区
中国统计年鉴2016(光盘版)China Statistical YearbookRAR20162016年10月12日
2 个回复 - 1323 次查看 仅供学习交流,勿做商业用途! 《中国统计年鉴》是国家统计局编印的一种资料性年刊,全面反映中华人民共和国经济和社会发展情况的。主要是某一年统计年鉴收录上一年全国和各省、自治区、直辖市每年经济和社会各方面 ...2016-12-4 01:44 - Rayplus - 数据交流中心
stata用prodest计算出现year must have multiple distinct nonmissing values咋办?
4 个回复 - 4440 次查看 stata用prodest计算出现year must have multiple distinct nonmissing values咋办? prodest ln_y, method(lp) free(ln_labor) proxy(ln_invest) state(ln_k) id(id) t(year) reps(5) poly(4)2020-6-3 16:33 - felixx_ - Stata专版
Of Pragmatism and Principles: The EEA Agreement 20 Years On
2 个回复 - 610 次查看 【作者(必填)】HH Fredriksen, CNK Franklin 【文题(必填)】Of Pragmatism and Principles: The EEA Agreement 20 Years On, Common Market Law Review 【年份(必填)】2015 【全文链接或数据库名称(选填 ...2021-1-13 23:34 - samsong111 - 文献求助专区
ten years to midnight - four urgent global crises and their strategic solutions
2 个回复 - 772 次查看 ten years to midnight - four urgent global crises and their strategic solutions (2020)2021-1-10 14:32 - loneshark - 投资人(实务版)
独家免费国际金融统计年鉴2018最新版international financial statistics yearbook
5 个回复 - 3177 次查看 2018年度,国际货币基金组织,国际金融统计年鉴,英文版,世界金融业宏观经济金融数据最权威来源。 数据截至2017年度。International Monetary Fund : International Financial Statistics Yearbook 2018. 另附上 ...2019-3-4 08:27 - johnshopkins - 金融学(理论版)
The Visionary Realism of German Economics: From the Thirty Years' War to ...
8 个回复 - 2137 次查看 The Visionary Realism of German Economics: From the Thirty Years' War to the Cold War by Erik S. Reinert (Author), Rainer Kattel (Editor) About the Author Erik S. Reinert is Professor of Technol ...2020-8-29 09:25 - slowry - 金融学(理论版)
【学习笔记】So, I’ll start with this: a couple years ago, an event plan ...
0 个回复 - 369 次查看 So, I’ll start with this: a couple years ago, an event planner called me because I was going to do a speaking event. And she called, and she said, I’m really struggling with how to write about you o ...2020-8-3 06:29 - ccwwccww - Forum
国际工业统计年鉴International Yearbook of Industrial Statistics 2017
33 个回复 - 4887 次查看 如题,谁有International Yearbook of Industrial Statistics 2017?2017-7-27 10:10 - 叶落方信秋寒 - 求助成功区
求电子版 Building the Global Market:A 4000 Year History of Derivatives
2 个回复 - 907 次查看 求电子版 Building the Global Market:A 4000 Year History of Derivatives 求电子版 Building the Global Market:A 4000 Year History of Derivatives 求电子版 Building the Global Market:A ...2020-6-27 23:40 - kaoyanle - 金融学(理论版)
【学习笔记】There is not a heart but has its moments of longing, yearnin ...
0 个回复 - 506 次查看 There is not a heart but has its moments of longing, yearning for something better, nobler and holier than it knows before. 每个人都有向往的时候,渴望比以前更美好,更高贵,更神圣的东西。2020-6-18 06:28 - ccwwccww - Forum
【2018新书】Monetary Policy in an Uncertain World: Ten Years After the Crisis
29 个回复 - 3696 次查看 Monetary Policy in an Uncertain World: Ten Years After the Crisis by James A Dorn (Editor) About the Author James A. Dorn is Cato’s vice president for monetary studies, editor of the Cato Journ ...2018-8-13 07:39 - slowry - 金融学(理论版)
求购《国际集装箱年鉴》(Containerisation international yearbook)2015年或2014
5 个回复 - 2873 次查看 【作者(必填)】Containerisation international杂志 【文题(必填)】《国际集装箱年鉴》(Containerisation international yearbook) 【年份(必填)】2015 【全文链接或数据库名称(选填)】2016-4-1 19:50 - cqy - 文献求助专区
【学习笔记】Don\'t cry when the sun is gone,because the years won\'t ...
0 个回复 - 304 次查看 Don\'t cry when the sun is gone,because the years won\'t let you see the stars. 不要在太阳落下时哭泣,因为泪水会让你错过星星。2020-4-28 21:39 - pengjm15 - Forum
【学习笔记】Nearly 1 in 5 U.S. voters will cast ballots this year on dev ...
0 个回复 - 268 次查看 Nearly 1 in 5 U.S. voters will cast ballots this year on devices that look and feel like the discredited paperless voting machines they once used, yet leave a paper record of the vote. But computer se ...2020-2-26 16:14 - 5218_1580978959 - Forum
发个能打开的(epub) White Trash: The 400-Year Untold History of Class in America
5 个回复 - 996 次查看 White Trash: The 400-Year Untold History of Class in America by Nancy Isenberg (Author) [*]Paperback: 496 pages [*]Publisher: Penguin Books; Reprint edition (April 4, 2017) [*]Language: English ...2017-6-18 09:17 - lang0477 - 世界经济与国际贸易
【学习笔记】The object of a new year is not that we should have a new ye ...
2 个回复 - 595 次查看 The object of a new year is not that we should have a new year, but rather that we should have a new soul. 新年的目的并非是拥有新的一年,而是拥有一个新的灵魂。2020-1-24 00:58 - ccwwccww - Forum
【学习笔记】It can be said that off year is the prelude of the Spring Fe ...
2 个回复 - 661 次查看 It can be said that off year is the prelude of the Spring Festival. This time is known as \"early spring day\" by the folk people. “小年”可以说是“大年”春节的序曲,民间把这段时间称之为“迎春日”。2020-1-17 06:54 - ccwwccww - Forum
【学习笔记】求资源: Triumph of the Optimists 101 Years of Global Invest ...
0 个回复 - 332 次查看 求资源: Triumph of the Optimists 101 Years of Global Investment Returns2020-1-13 13:27 - sunny45 - Forum
【学习笔记】#绘制驱虫市场增量趋势图d year=list(data_sum.index) x=range(l ...
0 个回复 - 514 次查看 #绘制驱虫市场增量趋势图d year=list(data_sum.index) x=range(len(year)) y=data_sum[\'驱虫市场总\'] with plt.style.context(\'ggplot\'): pl=plt.figure(figsize=(8,6)) plt.xticks(x,year,fontsize=9,r ...2020-1-12 08:52 - 9248_1572342225 - Forum
【学习笔记】#绘制驱虫市场增量趋势图d year=list(data_sum.index) x=range(l ...
0 个回复 - 324 次查看 #绘制驱虫市场增量趋势图d year=list(data_sum.index) x=range(len(year)) y=data_sum[\'驱虫市场总\'] with plt.style.context(\'ggplot\'): pl=plt.figure(figsize=(8,6)) plt.xticks(x,year,fontsize=9,r ...2020-1-11 13:46 - ﹌夏末初~ - Forum
A 25-Year Experience of US Food and Drug Administration Accelerated Approval of
2 个回复 - 544 次查看 【作者(必填)】Beaver JA1, Howie LJ1, Pelosof L1, Kim T2, Liu J1, Goldberg KB1, Sridhara R3, Blumenthal GM1, Farrel 【文题(必填)】A 25-Year Experience of US Food and Drug Administration Accelerated ...2020-1-2 09:29 - ihc7788c - 求助成功区
【独家发布】Systemic Risk in the Financial Sector: Ten Years After the Great Crash
1 个回复 - 607 次查看 Systemic Risk in the Financial Sector: Ten Years After the Great Crash Author(s): Douglas W. Arner; Emilios Avgouleas; Danny Busch; Steven L. Schwarcz Publisher: CIGI Press, Year: 2019 ISBN ...2019-12-25 14:18 - hhasoka - Forum
【学习笔记】 Time flies and a new year is coming soon~ It\'s time to ...
1 个回复 - 332 次查看 Time flies and a new year is coming soon~ It\'s time to review what I have learned before, so today I will share the notes I just take~2019-12-20 22:16 - WXgqGBF - Forum
World Metal Statistics Yearbook 2017
0 个回复 - 856 次查看 World Metal Statistics Yearbook 2017 excel版2019-12-16 10:47 - cooldoy - 数据交流中心
【2018新书】A Life of Experimental Economics, Volume I_Forty Years of Discovery
17 个回复 - 3323 次查看 A Life of Experimental Economics, Volume I: Forty Years of Discovery by Vernon L. Smith (Author) About the Author Vernon L. Smith was awarded the Nobel Prize in Economic Sciences in 2002 for his ...2018-12-1 21:03 - slowry - 金融学(理论版)
World Metal Statistics Yearbook 2017
0 个回复 - 679 次查看 World Metal Statistics Yearbook 20172019-12-5 09:42 - cooldoy - 行业分析报告
求书Every Business Is a Growth Business: How Your Company Can Prosper Year After
1 个回复 - 437 次查看 Every Business Is a Growth Business: How Your Company Can Prosper Year After Year By Ram charan Publisher: Crown Business; Reprint edition (January 15, 2000) Language: English ISBN-10: 97808129330 ...2019-9-16 08:27 - bobsheng401 - 悬赏大厅
【学习笔记】The legal cannabis market shrank in California last year---- ...
1 个回复 - 343 次查看 The legal cannabis market shrank in California last year----0903,Basketball world cup,What a pity for Turkey2019-9-3 23:28 - 8653_1565700450 - Forum
【学习笔记】The legal cannabis market shrank in California last year
1 个回复 - 349 次查看 The legal cannabis market shrank in California last year2019-9-3 09:27 - pmyx - Forum
【学习笔记】We had a visitor today. Lana, she is almost one year old. To ...
2 个回复 - 415 次查看 We had a visitor today. Lana, she is almost one year old. Today is the first time Elizabeth met her. Lana was a little sister to Lincoln. He is almost 4 years old. At home he is a little bully to his ...2019-8-7 12:39 - 理财师Mary4064 - Forum
The U.S. Market for Uranium: 70 Years of History
4 个回复 - 417 次查看 【作者(必填)】Charles F. Mason 【文题(必填)】The U.S. Market for Uranium: 70 Years of History 【年份(必填)】2017 【全文链接或数据库名称(选填)】https://www.nowpublishers.com/article/Details/MI ...2019-6-17 13:12 - dreamtree - 求助成功区
Four Thousand Years of Urban Growth: An Historical Census
2 个回复 - 1794 次查看 【作者(必填)】by Tertius Chandler (Author) 【文题(必填)】Four Thousand Years of Urban Growth: An Historical Census 【年份(必填)】 [*]Hardcover: 656 pages [*]Publisher: Edwin Mellen Pr; Revised ...2019-4-8 00:31 - victorbian - 文献求助专区
Israel's Vicious Circle Ten Years of Writings on Israel and Palestine
2 个回复 - 1125 次查看 \西亚与非洲]Israel's Vicious Circle Ten Years of Writings on Israel and Palestine2009-11-13 07:12 - wqcswh - 经管书评
Deloitte-2019.03-Ten years on from the crisis Financial Markets
0 个回复 - 438 次查看 Deloitte-2019.03-Ten years on from the crisis Financial Markets Regulatory Outlook 20192019-5-1 01:29 - everbright2012 - 行业分析报告
美国统计年鉴2010(The US 2010 Statistical Yearbook)
31 个回复 - 12821 次查看 【年鉴名称】美国统计年鉴2010(The US 2010 Statistical Yearbook) 【格 式】PDF 【页 数】1369 【大 小】47.4M 【使用方法】解压后双击文件夹内“2010 Statistical Abstract_PDF Ver ...2010-7-19 00:24 - boy1980 - 数据交流中心
Mission to Mars: 60 Years of Space Exploration
1 个回复 - 660 次查看 【作者(必填)】editors of Popular Mechanics 【文题(必填)】Mission to Mars: 60 Years of Space Exploration 【年份(必填)】2018 【全文链接或数据库名称(选填)】https://www.amazon.com/Mission-Mars-Year ...2019-3-10 17:59 - johnzi0128 - 文献求助专区
【独家发布】Fifty Years of Justice: A History of the U.S. District Court for the
6 个回复 - 696 次查看 “Succeeds in lifting the veil to capture the daily drama, excitement, and importance of one federal district court’s work—all within the framework of the legal and political developments of the tim ...2015-10-3 17:44 - 大家开心 - 经管书评
求本书 the Davis dynasty fifty years of successful
0 个回复 - 549 次查看 求本书 the Davis dynasty fifty years of successful investing on Wall Street2019-2-27 13:29 - alvinxiaosh - 爱问频道
2018 The top transformative technologies to watch this year
0 个回复 - 646 次查看 2018 IHS Markit 8 in 2018:The top transformative technologies to watch this year 16 页2019-1-30 15:04 - zlghs - 行业分析报告
求《The Davis Dynasty: Fifty Years Of Successful Investing On Wall Street》
4 个回复 - 1976 次查看 ~ John Rothchild (作者) [*]出版社: John Wiley & Sons (2001年8月21日) [*]精装: 320页 [*]语种: 英语 [*]ISBN: 0471331783 [*]条形码: 97804713317802014-2-27 14:20 - 唐宋元清 - 悬赏大厅
government finance statistics yearbook 1990
3 个回复 - 1649 次查看 【作者(必填)】IMF 【文题(必填)】government finance statistics yearbook 1990 【年份(必填)】January 1991[/backcolor] [/backcolor] 【全文链接或数据库名称(选填)】http://www.ebookstorm.com/download ...2015-1-28 10:27 - tfkl - 文献求助专区
Former Trump lawyer Cohen sentenced to 3 years in prison
0 个回复 - 413 次查看 Former Trump lawyer Cohen sentenced to 3 years in prisonBy Joshua Chaffin in New York[/backcolor] Michael Cohen was sentenced to three years in prison yesterday after a federal judge determined he sh ...2019-1-1 12:31 - xujingjun - 真实世界经济学(含财经时事)
Have you signed up for yingjing IFoA this year?
1 个回复 - 933 次查看 [ 本帖最后由 fmsu_я 于 2018-11-16 22:08 编辑 ] ......2018-11-13 10:23 - fmsu_я - CAA、SOA精算师等考证版
(投资经典,买方必读书目)Ten Years of Investment Analysis with the CROCI
7 个回复 - 1923 次查看 Review"Costantini distills the apparently arcane art of company valuation into common sense. The book is always accessible, is pleasingly iconoclastic, and is liberally studded with gems of his dry an ...2015-12-9 19:33 - alexwoos - 投资人(实务版)