And five weeks less one day later I decided you know what this might actually be for me and I switched from pass-fail to letter graded status at that point in time.

而第五周的最后一天,我从上及格-不及格制的课程转为上数字学分制的课程,你们可能知道这对我来说意味着什么。

哈佛公开课 - 计算机科学课程节选

Once in a while you'll have to talk to your neighbor and say, "Can you please pass me my pacemaker that fell down?"

有时候你需要对你旁边的同学说,你能帮我捡一下我的心脏起搏器吗

耶鲁公开课 - 基础物理课程节选

But this is also true of all of Western Europe, which has to do pretty much with the abolition of farmers and I just don't think it's right for me to pass without mentioning the significance.

西欧的情况亦如此,这与农奴制的废除有很大关系,我个人觉得如果不提一下其重要性,那是我的失职

耶鲁公开课 - 古希腊历史简介课程节选