I take it that fear of death is quite common.

我想对死亡的恐惧是很常见的。

耶鲁公开课 - 死亡课程节选

And it's a quite common response.

这个回应非常普遍。

耶鲁公开课 - 死亡课程节选

In fact, they share quite a lot in common.

事实上，他们确实有很多共同之处。

麻省理工公开课 - 计算机科学及编程导论课程节选

And it turned out that another, not quite as deadly, but still very serious disease called syphilis was also common in this part of the world at that time.

现在已知另外一种疾病,它并不完全致命但也很严重,它叫梅毒,在那时的一些地方也很常见

耶鲁公开课 - 生物医学工程探索课程节选

So, it could be very interesting for all of us to have issues to discuss in class, and quite often some questions are very common and your classmates will be grateful to you that you brought it up.

所以,大家一起在课堂上讨论一些问题,这会非常有意思,还有些时候,你们的问题很普遍,而你的同学会很感激你提出了这个问题

耶鲁公开课 - 基础物理课程节选