This is actually something very near and dear to my heart because I literally would not be doing what I do in life today had I not taken a couple of courses here, this one in particular, pass fail.

事实上，我是很关心的,因为今天我就不会站在这里,如果当初我没有这里上课的话，这门课，要么过要么挂科。

哈佛公开课 - 计算机科学课程节选

So I'm not gonna give it a lot of time today because I'm gonna go to class now and study and then have lunch.

因此，我今天不会过多地谈论这一点,因为我还要上课,学习，然后吃午饭。

普林斯顿公开课 - 人性课程节选