Many years after receiving my graduate degree，I returned to the State University of New York at Binghamton as a faculty member.

获取研究生学位多年以后，我回到位于宾翰顿的纽约州立大学当教员.

One day in a crowded elevator，someone remarked on its inefficiency.

一天，电梯里很拥挤，有人抱怨电梯效率太低.

I said the elevators had not changed in the 20 years since I began there as a student.

我说自我在那里当学生起，20年来电梯一直没有换过.

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