rd edition-经管之家(原经济论坛)-经济、管理、金融、统计在线教育和咨询网站

结果：找到“rd edition”相关内容1000个，排序为按回复时间降序，搜索更多相关帖子请点击“高级”

机器学习实战第3版 Hands-On Machine Learning with Scikit-Learn ...3rd Edition
8 个回复 - 3360 次查看机器学习实战第3版（英文原版PDF） Hands-On Machine Learning with Scikit-Learn Keras & Tensor Flow 3rd Edition 入门机器学习实战看这个很不错。2023-2-25 13:54 - qtr2000 - 数据分析与数据挖掘

Principles of Corporate Finance 12th edition Richard Brealey 中文版及英文版
6 个回复 - 3796 次查看 2021-5-5 11:17 - 数星星的鱼 - 会计与财务管理

Corporate Finance 13th edition by Bradford D. Jordan Stephen A. Ross, Randolph W
8 个回复 - 1459 次查看 Corporate Finance 13th edition by Bradford D. Jordan Stephen A. Ross, Randolph W. Westerfield...2023-12-10 21:57 - 2991927 - 商学院

R in Action, 3rd edition [R语言实战，第三版]
28 个回复 - 5363 次查看 R in Action is the first book to present both the R system and the use cases that make it such a compelling package for business developers. The book begins by introducing the R language, including th ...2022-10-10 16:39 - zpbeidu - R语言论坛

R in Action, Third Edition Data analysis and graphics with R and Tidyverse
14 个回复 - 6056 次查看 Built specifically for statistical computing and graphics, the R language, along with its amazing collection of libraries and tools, is one of the most powerful tools you can use to tackle data analys ...2022-3-19 13:22 - wangjianfqy - R语言论坛

【2020新书】Corporate Governance Matters, 3rd Edition
17 个回复 - 4819 次查看 Corporate Governance Matters, 3rd Edition by David Larcker (Author), Brian Tayan (Author) About the Author David Larcker is James Irvin Miller Professor of Accounting at the Graduate School of Bu ...2020-10-17 14:49 - slowry - 金融学（理论版）

Handbook of Metaheuristics Third Edition
2 个回复 - 1039 次查看【作者(必填)】 Gendreau 【文题(必填)】 Handbook of Metaheuristics Third Edition 【年份(必填)】 2019 【全文链接或数据库名称(选填)】https://www.springer.com/us/book/97833199108572019-1-8 09:04 - peterxu1969 - 求助成功区

The Craft of Scientific Writing, 3 rd edition
5 个回复 - 1517 次查看【作者(必填)】 M Alley 【文题(必填)】 The Craft of Scientific Writing, 3 rd edition 【年份(必填)】 1998 【全文链接或数据库名称(选填)】http://xueshu.baidu.com/s?wd=paperuri%3A%2849d00194e7ce903b9 ...2016-4-5 15:20 - 征夷大将军 - 求助成功区

Python数据科学手册第2版（2023） Python Data Science Handbook 2rd Edition
4 个回复 - 1307 次查看 Python 数据科学手册第2版 Python Data Science Handbook 2rd Edition 2023年第二版英文原版PDF 不多说了，数据科学的好书2023-3-1 20:12 - qtr2000 - 商业数据分析

Advanced Management Accounting 3rd Edition - Robert S. Kaplan
5 个回复 - 1444 次查看 Advanced Management Accounting 3rd Edition - Robert S. Kaplan, Anthony A. Atkinson 《高级管理会计》，第三版，作者：卡普兰，高清扫描版，含封面、目录、索引等所有书页内容。文件78M，不是21M的版本。2021-12-25 07:14 - purpleeyes - 会计与财务管理

THE WARREN BUFFETT WAY, THIRD EDITION
4 个回复 - 2867 次查看 THE WARREN BUFFETT WAY, THIRD EDITION,巴菲特投资方式,第三版, 谢谢,2016-3-27 22:36 - beckon - 金融学（理论版）

【数值分析，最新版教材】 Numerical Analysis (10th Edition) by Burden, Faires
69 个回复 - 26719 次查看 Numerical Analysis, 10th Edition Richard L. Burden J. Douglas Faires Annette M. Burden This well-respected book introduces readers to the theory and application of modern numerical approxi ...2017-1-9 05:21 - cmwei333 - 金融学（理论版）

详解_Corporate_Finance_11th_edition_Solutions_Manual - PDF及Word挡
5 个回复 - 2479 次查看如题由于论坛已有许多善心的坛友分享电子书所以我就分享它的详解吧! 压缩挡里有PDF挡案及WORD挡案收一点点论坛币就好促进论坛发展2018-3-25 10:48 - 本殷坊秀策 - 金融学（理论版）

【2013】 Kimball - The Data Warehouse Toolkit, 3rd Edition
68 个回复 - 11047 次查看【2013】 Kimball - The Data Warehouse Toolkit, 3rd Edition Book 图书名称： Kimball - The Data Warehouse Toolkit, 3rd Edition Author 作者： Ralph kimball ,margy ross Publisher 出版社： wiley ...2015-9-12 00:36 - kychan - 管理科学

布兰查德宏观经济学题库中宏6th Edition by Olivier Blanchard
1 个回复 - 676 次查看布兰查德宏观经济学题库中宏6th Edition by Olivier Blanchard布兰查德宏观经济学题库中宏6th Edition by Olivier Blanchard 布兰查德宏观经济学题库中宏6th Edition by Olivier Blanchard 布兰查德宏观经济学题 ...2023-1-16 11:04 - Lsx126731 - 现金交易版

高级金融经济学 Intermediate Financial Theory 3rd edition
10 个回复 - 6288 次查看高级金融经济学 Intermediate Financial Theory 3rd edition2015-11-9 12:44 - 250045936 - 金融学（理论版）

【2021新书】Introduction to Computable General Equilibrium Models，3rd Edition
54 个回复 - 12187 次查看 Introduction to Computable General Equilibrium Models，3rd Edition by Mary E. Burfisher (Author) About the Author Mary E. Burfisher is Senior Education Advisor at the Center for Global Trade A ...2021-2-12 09:48 - slowry - 金融学（理论版）

求pdf书 Michael Parkin, Economics,13rd edition (2018)
8 个回复 - 2270 次查看【作者(必填)】Michael Parkin 【文题(必填)】Economics, 13rd edition 【年份(必填)】2018, Aug 请问哪位大大有13版的Parkin爷爷的经济学电子版吗？因为读书时学的是他的版本。现在要教学生了，所以想拿 ...2021-2-7 18:38 - fool_qq - 求助成功区

Bayesian Methods for Data Analysis 3rd Edition by B. P. Carlin and T. A. Louis
7 个回复 - 1208 次查看 Bayesian Methods for Data Analysis 3rd Edition by B. P. Carlin and T. A. Louis：数据+习题答案 Bayesian Methods for Data Analysis 3rd Edition by B. P. Carlin and T. A. Louis：数据+习题答案 Ba ...2022-5-22 08:20 - Lala-20200 - 现金交易版

(Solution Manual)Macroeconomics 6th Edition by Olivier Blanchard
0 个回复 - 468 次查看 (Solution Manual)Macroeconomics 6th Edition by Olivier Blanchard布兰查德第六版英文课后题答案(Solution Manual)Macroeconomics 6th Edition by Olivier Blanchard布兰查德第六版英文课后题答案 (Solution Manu ...2023-1-16 10:58 - Lsx126731 - 现金交易版

Actuarial Mathematics for life contingent risks 3rd edition
7 个回复 - 1759 次查看 Actuarial Mathematics for life contingent risks 3rd edition [*] [*]出版者 ‏ : ‎ Cambridge University Press; 第3版 (30 1 月 2020) [*]語言 ‏ : ‎ English [*]Hardcover R ...2022-7-2 11:45 - jcww918 - Forum

Corporate Finance Workbook 3rd Edition
1 个回复 - 335 次查看 Corporate Finance Workbook: Economic Foundations and Financial Modeling (CFA Institute Investment), 3rd Edition English | November 1st, 2022 | ISBN: 1119743818 | 176 pages | True EPUB[/backcolo ...2023-7-8 06:30 - zhangke0987 - 经管书评

Bayesian Data Analysis 3rd edition 最新修订版
16 个回复 - 681 次查看最好的贝叶斯书籍，网上还有作者的教学视频。2023-11-30 13:42 - zhonix - 量化投资

Computer Systems: A Programmer's Perspective 3rd Edition 非扫描版
4 个回复 - 4126 次查看 2018-4-11 01:23 - galahado - C与C++编程

Computer Systems A Programmer’s Perspective 3rd global edition
2 个回复 - 3652 次查看 For courses in Computer Science and Programming Computer systems: A Programmer's Perspective explains the underlying elements common among all computer systems and how they affect general applicati ...2018-9-12 07:08 - nivastuli - 博弈论

【ASQ黑带-必看】 Certified Six Sigma Black Belt Handbook, Third Edition 2014
16 个回复 - 6485 次查看【ASQ黑带-必看】 Certified Six Sigma Black Belt Handbook, Third Edition 2014 ASQ注册六西格玛黑带手册，第三版，20142019-12-12 20:00 - lizwchn - 运营管理（物流与供应链管理）

Categorical Data Analysis (3rd Edition, 2013) (高清晰版)
13 个回复 - 9966 次查看找了好久，终于找到高清版的了。 Categorical Data Analysis (3rd edition), by ALAN AGRESTI 2013, John Wiley & Sons. Contents Preface 1 Introduction: Distributions and Inference for Categorica ...2015-8-27 17:27 - danliu6604 - 经管考研

Lectures on Stochastic Programming: Modeling and Theory, Third Edition
11 个回复 - 1935 次查看【作者(必填)】 Alexander Shapiro , Darinka Dentcheva and Andrzej Ruszczynski 【文题(必填)】Lectures on Stochastic Programming: Modeling and Theory, Third Edition 【年份(必填)】2021 【全文链接 ...2021-10-6 10:35 - ljzx - 文献求助专区

R_in_Action_Third_Edition
20 个回复 - 3308 次查看 R_in_Action_Third_Edition2022-5-31 14:49 - thinking2009 - R语言论坛

【经典教材系列】Derivatives Markets, McDonald, 3rd Edition
8 个回复 - 3850 次查看【经典教材系列】Derivatives Markets, Robert McDonald, 3rd Edition2016-6-12 11:00 - jaffma1999 - 经济金融数学专区

The TOGAF® Standard, 10th Edition — Introduction and Core Concepts
0 个回复 - 453 次查看 TOGAF, 当前最热门，最完整的企业架构框架方案[/backcolor]2023-11-24 20:21 - colink - 管理信息系统

3rd Edition《Derivatives Markets》（第三版《衍生品市场》with solutions（含答案）
26 个回复 - 22631 次查看压缩包有三个文件 1、其中一个文件是——史上最经典的金融衍生品英文教材McDonald, Robert L., 2013, 3rd Edition, Derivatives Markets (Pearson)（[/backcolor]是高清PDF版（是[/backcolor]可[/backcolor] ...2017-9-11 15:27 - 遮天乞 - 量化投资

Handbook of Silicon Wafer Cleaning Technology, Third Edition
7 个回复 - 692 次查看 Handbook of Silicon Wafer Cleaning Technology, 3rd Edition by:Karen A. Reinhardt Cameo Consulting, San Jose, CA, USA Werner Kern Werner Kern and Associates, Lakewood, NJ, United States ISBN-10 书号: ...2018-12-14 18:25 - 13950050756 - 经管书评

Patent Law Cases, Problems, and Materials 3rd Edition 2023
0 个回复 - 121 次查看 Patent Law Cases, Problems, and Materials3rd Edition 2023 Jonathan S. Masur John P. Wilson Professor of ...2023-11-8 15:16 - 694845437 - 现金交易版

Python 数据分析第3版 Python Data Analysis Third Edition
0 个回复 - 131 次查看 “Python Data Analysis Third Edition” “Perform data collection, data processing, wrangling, visualization, and model building using Python Avinash Navlani Armando Fandango Ivan Idris” ...2023-11-8 15:11 - 694845437 - 现金交易版

Charles Jones, Macroeconomics (3rd Edition), Solution Manual
37 个回复 - 18701 次查看 Charles Jones 的宏观经济学（第三版，英文）课后习题全部答案。具体信息如下：图书名： Instructor's Manual for Macroeconomics (3rd Edition) by Charles Jones 出版社：W.W.Norton & Company ISBN: ...2016-7-22 14:27 - Josh7128 - 宏观经济学

哈佛案例分析方法论2018 Harvard Casebook 2018 Edition 最新修订版
19 个回复 - 7569 次查看哈佛案例分析方法论2018版本 SCTAUSDEY HANDBOOK A STUDENT’S GUIDE2019-2-24 14:54 - kurtun - MBA专版

Marketing Management 3rd Edition By Greg Marshall and Mark Johnston
4 个回复 - 2901 次查看 Marketing Management 3rd Edition By Greg Marshall and Mark Johnston 美国营销协会AMA指定教材2022-6-13 02:19 - wukongz - 商学院

Python数据分析基础第3版 Python Data AnalysisThird Edition
2 个回复 - 349 次查看 Python数据分析基础第3版 Python Data AnalysisThird Edition Perform data collection, data processing, wrangling, visualization, and model building using Python Navlani, Avinash_ Fandango, Armando_ Idr ...2023-10-17 19:43 - 2023Hua - 现金交易版

【PDF】Corporate Finance (3RD EDITION), by Jonathan Berk, Peter DeMarzo
3 个回复 - 1829 次查看高清版PDF，希望帮到需要的人。Corporate Finance (3RD EDITION), by Jonathan Berk, Peter DeMarzo2023-4-11 16:31 - amandainblossom - Forum

【全球版】R. Glenn Hubbard Economics 6th Global Edition
17 个回复 - 5972 次查看 Title: Economics Authors: R. Glenn Hubbard, Anthony Patrick O’Brien Edition: 6th Global Edition Publisher: Pearson ISBN-13: 978-1292159928 Cover:2018-2-11 18:59 - louqiyue - 经济金融数学专区

Category Theory. Third Edition-Horst Herrlich, George E. Strecker
0 个回复 - 343 次查看 Category Theory. Third Edition-Horst Herrlich, George E. Strecker2023-9-28 09:52 - wxwpxh - 经济金融数学专区

SPSS for dummies Third Edition
8 个回复 - 1370 次查看 [*]Title: SPSS Statistics for Dummies, 3rd Edition [*]Author: Aaron Poh[/backcolor], Jesus Salcedo[/backcolor], Keith McCormick[/backcolor] [*]Length: 384 pages [*]Edition: 3 [*]Language: Engl ...2015-11-30 17:16 - chicu - SPSS论坛

Kaplan&Barron GRE words 500—Personal Edition
0 个回复 - 125 次查看 2023-9-27 13:48 - F166z85369 - 经管书评

Kaplan&Barron GRE words 500—Personal Edition
0 个回复 - 115 次查看 2023-9-26 10:42 - XvJ3m23862 - 经管书评

Common Statistical Methods for Clinical Research with SAS Examples 3rd Edition
0 个回复 - 330 次查看 SP 手头神器，内容如题2023-9-20 11:24 - yuxni - SAS专版

高清第三版Introduction to Econometrics, 3rd Edition, Stock and Watson
3 个回复 - 1791 次查看 Introduction to Econometrics, 3rd Edition, Stock and Watson, Pearson 高清第三版 PDF2020-2-26 20:25 - Rocky201430 - 计量经济学与统计软件

How to Prove It: A Structured Approach 3rd Edition
2 个回复 - 407 次查看【作者(必填)】 Daniel J. Velleman 【文题(必填)】How to Prove It: A Structured Approach 3nd Edition【年份(必填)】 2019 【全文链接或数据库名称(选填)】https://www.amazon.com/How-Prove-Structured-Dan ...2023-9-10 04:23 - circlesurge - 文献求助专区

Analysis of Financial Time Series, Third Edition (Wiley Series in Probability an
0 个回复 - 342 次查看 2023-9-4 23:23 - tntangning - Forum

An R Companion to Applied Regression, 3rd Edition
38 个回复 - 6500 次查看 2018 | ISBN-10: 1544336470 | 608 pages | PDF conv An R Companion to Applied Regression is a broad introduction to the R statistical computing environment in the context of applied regression anal ...2019-1-28 14:51 - igs816 - R语言论坛

Encyclopedia of Chart Patterns (Wiley Trading), 3rd Edition (EPUB)
3 个回复 - 1461 次查看 Encyclopedia of Chart Patterns (Wiley Trading), 3rd Edition (EPUB) English | April 27, 2021 | ISBN: 1119739683 | True EPUB | 1312 pages[/backcolor] [/backcolor] [/backcolor]2022-12-27 04:59 - zhangke0987 - 经管书评

[2021新书] Python Data Analysis, Third Edition
38 个回复 - 6001 次查看 Python Data Analysis Third Edition Perform data collection, data processing, wrangling, visualization, and model building using Python Avinash Navlani Armando Fandango Ivan Idris ...2021-3-6 15:57 - ckevinit - python论坛

Visual Studio Code Distilled, 3rd Edition(2023).pdf
9 个回复 - 854 次查看 Visual Studio Code Distilled, 3rd Edition(2023).pdf2023-8-13 10:11 - xjg - python论坛

Linear Algebra Done Right, Third Edition (2016)
4 个回复 - 412 次查看 Linear Algebra Done Right, Third Edition (2016)2023-7-21 22:49 - simon_314 - 量化投资

Programming in Scala, 3rd Edition
1 个回复 - 1678 次查看重新整理过书签。2018-10-4 15:22 - myfeing2 - Scala及其他JVM语言

固定收益证券英文版Fixed_Income_Securities Tuckman (3rd_Edition)
1 个回复 - 658 次查看固定收益证券第三版英文 Fixed_Income_Securities Tuckman (3rd_Edition)2023-7-2 21:48 - 金融工作人 - 金融工程（数量金融）与金融衍生品

Corporate Finance 3rd edition Ivo Welch，PDF
5 个回复 - 4376 次查看公司理财，第三版，PDF，Corporate Finance 3rd edition Ivo Welch2017-2-2 18:49 - Elaineskk - 金融学（理论版）

Harvard Business Review Complex Chinese Edition Special Issue 哈佛商業評論特刊 -
39 个回复 - 4281 次查看只为分享从不收费2022-10-1 08:06 - rip - 人力资源管理

答案Strategy: An Introduction to Game Theory, 3rd Edition答案
17 个回复 - 11946 次查看这个是第三版的答案，Instructor's Manual.配套书籍：Joel Watson, Strategy: An Introduction to Game Theory, 3rd Edition.2015-11-24 22:13 - junkai1990 - 博弈论

Computer Systems A Programmer‘s Perspective 3rd Edition
0 个回复 - 197 次查看 Computer Systems A Programmer‘s Perspective 3rd Edition2023-6-9 15:13 - kingtaoran14510 - 灌水吧

The Strategic Bond Investor 3rd edition
6 个回复 - 1129 次查看 The Strategic Bond Investor: Strategies and Tools to Unlock the Power of the Bond Market, 3rd Edition (True EPUB) English | January 19th, 2021 | ISBN: 1260473678 | 496 pages | True EPUB[/backcolo ...2021-10-3 09:21 - zhangke0987 - 投资人（实务版）

求书 Machine Learning in Business (3rd edition)
6 个回复 - 962 次查看求John Hull的关于机器学习的一本书，只要第三版。谢谢！书名：Machine Learning in Business: An Introduction to the World of Data Science (3rd edition) 作者：John Hull 链接：https://www-2.rotman.ut ...2023-2-19 20:41 - Bumboo - 悬赏大厅

Input-Output Analysis: Foundations and Extensions 3rd edition
4 个回复 - 1905 次查看书名 Input-Output Analysis: Foundations and Extensions 3rd edition 作者 Ronald E. Miller, University of Pennsylvania, Peter D. Blair, National Academy of Sciences, Washington DC 基本信息出版社 ...2022-11-25 16:40 - deltaatfr - 国民经济管理

【跨越鸿沟】Crossing the Chasm, 3rd Edition
9 个回复 - 3673 次查看 Crossing the Chasm, 3rd Edition: Marketing and Selling Disruptive Products to Mainstream Customers Geoffrey A. Moore The bible for bringing cutting-edge products to larger markets—now revised a ...2016-12-15 20:38 - 南宫海岚 - 商学院

求书电子版 Protocols for Secure Electronic Commerce 3rd Edition
2 个回复 - 510 次查看【作者(必填)】 Mostafa Hashem Sherif 【文题(必填)】 Protocols for Secure Electronic Commerce 3rd Edition 【年份(必填)】 2017 【全文链接或数据库名称(选填)】 https://www.amazon.com/Protocols- ...2023-5-9 00:01 - bensonfan - 求助成功区

Mathematical Bioeconomics: The Mathematics of Conservation, 3rd Edition pdf
0 个回复 - 869 次查看【作者(必填)】Colin W. Clark 【文题(必填)】Mathematical Bioeconomics: The Mathematics of Conservation, 3rd Edition 【年份(必填)】2010 【全文链接或数据库名称(选填)】https://www.wiley.com/en-cn/M ...2023-5-6 21:26 - 蓝色 - 文献求助专区

【经典教材系列】Matrix Analysis for Statistics 3rd Edition
13 个回复 - 4864 次查看 Matrix Analysis for Statistics 3rd Edition2016-6-22 21:40 - szhj98 - 计量经济学与统计软件

【Wesley Chun】Core Python Programming 3rd Edition
62 个回复 - 2960 次查看 **** 本内容被作者隐藏 ******** 本内容被作者隐藏 ****2019-2-3 08:24 - Nicolle - winbugs及其他软件专版

Speech and Language Processing (Third Edition draft)
1 个回复 - 539 次查看 Speech and Language Processing (3rd ed. draft) by Dan Jurafskyand James H. Martin 最新2023年1月版本2023-4-7 23:22 - silentlab - Forum

Fundamental Analysis For Dummies, 3rd Edition (True EPUB)
2 个回复 - 492 次查看 Fundamental Analysis For Dummies, 3rd Edition English | May 2nd, 2023 | ISBN: 1394159692 | 400 pages | True EPUB[/backcolor] [/backcolor]2023-4-7 08:07 - zhangke0987 - 经管书评

Calculus by Rogawski 3rd Edition
14 个回复 - 3293 次查看大家好，求助Calculus by Rogawski and Adams 第三版，板上只有第二版。 Publisher: W. H. Freeman; 3 edition (January 15, 2015)2016-10-23 07:32 - Whosepinggu - 求助成功区

Fundamental Analysis For Dummies, 3rd Edition
1 个回复 - 408 次查看 Fundamental Analysis For Dummies, 3rd Edition English | 2023 | ISBN: ‎ 1394159692 | 403 pages | True PDF[/backcolor] [/backcolor]2023-3-29 07:25 - zhangke0987 - 经管书评

Microeconomics 3rd Edition 英文第三版（2019） Goolsbee, Levitt, Syverson
3 个回复 - 991 次查看 Microeconomics 3rd Edition, Goolsbee, Levitt, Syverson 作者: Austan Goolsbee, Steven Levitt, Chad Syverson, 出版社: Worth Publishers, 出版时间: 2019 【作者简介】三位作者都是芝加哥大学经济学新生 ...2023-2-20 16:46 - zhaohailei - 微观经济学

Hands-On Machine Learning with Scikit-Learn, Keras, and TensorFlow, 3rd Edition
12 个回复 - 7096 次查看 Hands-On Machine Learning with Scikit-Learn, Keras, and TensorFlow, 3rd Edition by Aurélien Géron 20222022-3-24 17:22 - sky021 - R语言论坛

英语工具书Practical_English_Usage_3rd_Edition与雅思官方写作教程
10 个回复 - 2386 次查看 2015-8-17 22:44 - stupid_donkey - 重庆大学经济与工商管理学院

Introduction to Computation and Programming Using Python 3rd Edition (2021)
19 个回复 - 4639 次查看 Introduction to Computation and Programming Using Python 3rd Edition (2021)2021-1-21 13:14 - dgdgmariner - python论坛

Subsystems of Second Order Arithmetic 2nd Edition (Perspectives in Logic)
1 个回复 - 476 次查看 Subsystems of Second Order Arithmetic 作者: Simpson, Stephen G. 出版年: 2009-5 页数: 464 定价: $ 114.13 丛书: Perspectives in Logic ISBN: 97805218843962022-11-14 23:42 - wxwpxh - IT基础

Recursive Macroeconomic Theory 3rd edition matlab code 代码
4 个回复 - 959 次查看请自行查看2022-10-15 21:11 - kyle0107 - 宏观经济学上传下载区

The New Palgrave Dictionary of Economics, 3rd Edition ，新帕尔格雷夫经济学大辞典
9 个回复 - 942 次查看新帕尔格雷夫经济学大词典（英文高清晰版）两个附件下载后，解压即可。2019-9-12 13:24 - kukenghuqian - 经管书评

课程推荐