But the kind of exercise we did last time is a useful exercise for those of you who are Econ majors.

但是我们上节课做的练习,对经济学专业的同学是非常有用的

耶鲁公开课 - 博弈论课程节选

practice our, you know, talking skills. We get really close because there's not that many people in the class.

练习我们的表达能力。因为上这个课的人不多，所以我们之间变得很亲近。

学习外语的原因 - SpeakingMax英语口语达人

If you decide to take this course, get a hold of the materials for next Tuesday, do listening exercises one and nine through eleven.

如果你选这门课,下个星期四准备好这些材料,做听音练习1和9到11

耶鲁公开课 - 聆听音乐课程节选

And just to review a little bit what we did last time, the kind of exercise there--so I think, is this right, I think probably went a little fast last time.

先稍微复习一下上节课的内容,就是上节课中的练习,我认为,可能吧,我认为上节课讲得太快了

耶鲁公开课 - 博弈论课程节选