He did have this thing about his appearance.

他确实对他的外表很注重。

麻省理工公开课 - 电影哲学课程节选

Another thing that I will be talking about is less important to this course but you have heard of this: the subprime crisis.

我要讲的另一个问题,在这门课里相对不是那么重要,你们听过这个词吗,"次贷危机"

耶鲁公开课 - 金融市场课程节选