几乎美国的每一所大学校园里都有个所谓的国际俱乐部，它的主要目的就是和世界上所有的大学生进行交流。

Almost every American college campus has what can be called an international club, main purpose of which is to communicate among all students of the world.

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And we haven't seen all of these sorts, but it's actually quite neat to recognize how different the underlying work is of each of these algorithms.

我们还没有探讨所有的排序算法，但应该很容易区分,每一种算法其内在的,不同之处。

哈佛公开课 - 计算机科学课程节选