So I have to take out what I think is the really essential part and cover them in the lecture.

所以我得选出我认为真正重要的部分,并在课上介绍这些内容

耶鲁公开课 - 基础物理课程节选

And when I found out that I had the opportunity to just cover Columbia's athletics

当我发现我有机会播报哥伦比亚大学的赛事时，

广播人员怎么样？ - SpeakingMax英语口语达人

Maybe they would, if they knew where I was going to go on so doggedly and do all these publications but being having the kind of mentality I have now that this student might claim that I have more to cover I've never been kicked out of the professional.

不过要是他们知道我会这么坚持不懈地做下去,还发表这么多书的话,当时的人或许会允许我，宽容我,但是如果那个学生带着我刚才的想法，的话,他或许会说,我还有很多要研究的呢,我一直都是专家。

麻省理工公开课 - 电影哲学课程节选