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比尔盖兹隐退
5,306,130 views |
Bill Gates |
TED2009
• February 2009
Read transcript
比尔盖兹希望通过一种新的慈善方式来解决全球最重要的问题。在18分钟充满了激情的，当然也是非常有趣的演讲里，他请我们思考并回答两个提问。
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