○  比尔盖茨哈佛演讲稿  ○

办法、能够评估他们努力的效果，去改变那些马歇尔六十年前就说到过的问题——饥饿、贫 穷和绝望。

members of the harvard family: here in the yard is one of the great collections of intellectual talent in the world.

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