美国波士顿大学的博士生伊恩·史密斯说：“城市在对抗气温上升和二氧化碳增加方面处于重要地位。”

Ian Smith, a Ph.D. student of Boston University in the United States, said, "Cities are in the important position in fighting against rising temperatures and increasing CO2."

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此后，美国每年毕业的博士生又翻了一番，达到64000人。

Since then America's annual output of PhDs has doubled, to 64, 000.

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在美国，博士生实习教师联盟的出现结束了之前大学与博士生群体之间不清晰的责任关系，自那以后工资就丰厚多了。

In America the rise of PhD teachers' unions reflects the breakdown of an implicit contract between universities and PhD students: crummy pay now for a good academic job later.

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In fact, I am the only, I'm the only person from America, out of everybody in the accounting Ph.D. program.

事实上，在所有会计博士生中，我是唯一的美国人。

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