Actually three of our graduates or current students are teaching fellows in this class.

我们有三名毕业生或在读生,是这门课的助教。

哈佛公开课 - 幸福课课程节选

Because people say I've got to take that if I want to be pre-med.

据说想做医学预科生的人才选那门课吧

耶鲁公开课 - 金融市场课程节选