And like all the other topics we've talked about in this class, it's a complicated subject, about which one could spend a great deal of time.

和课堂中涉及的所有话题一样，这是个复杂的问题，需要很长时间才能搞清楚。

耶鲁公开课 - 死亡课程节选

So it's kind of... it's nice that you can choose because I feel like you have a better time in class.

可以自己选课是件很好的事情，因为这样你在课堂上感觉会更好。

高中生活怎么样？ - SpeakingMax英语口语达人

It's the time where we stop the class and you look inward.

这段时间会我们停止课程，进行内省。

哈佛公开课 - 幸福课课程节选