我比较喜欢的一个实例是来自世界最大的电力公司——华能集团，还有它的首席工程师许世森博士。

One of my favorite examples is the biggest power company in the world, Huaneng power Corporation, and its Chief Engineer, Dr. Xu Shisen.

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许世森放下电话笑了。

Xu Shisen put down the phone and smiled.

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许世森放下电话笑了。

Xu Shisen put down the phone and smiled.

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