比尔喜欢讲一个经济学的关于，威廉·巴曼的故事，他是个经济学家，给普林斯顿带来了50年不幸。

Now, Bill likes to tell a story which is rooted in the economics of Williams Barman who has had more than 50 years of affiliation with Princeton, the economist.

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普林斯顿大学前校长威廉·鲍文认为，正是因为准备不足让学生们更容易在大学半途辍学。 威廉鲍文去年10月（译者加）刚与另外两位作者合作出版了一本关于大学毕业率的书。

This makes them more likely to drop out, explains William Bowen, a former president of Princeton, who co-wrote a book on completion rates.

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