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Bill Gates: from software to toilets
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Bill Gates: from software to to
iletsBy Simon Kuper
Whenever Bill Gates visits a slum, an unasked question goes around his mind.[/backcolor]“Do you mention to each other that it doesn’t smell good, ...
2018-11-25 09:50 - xujingjun - 真实世界经济学(含财经时事)