So, literally earlier today when I was on my way to campus I emerged from the Harvard Subway Station and I was about to exit the station up the stairs when I noticed this older woman who was standing by one of these things.

今天早些时候，在我从哈佛地铁站,到学校的路上,我即将走出地铁站，上楼梯时,我注意到一个老太太站在,这样的东西旁边。

哈佛公开课 - 计算机科学课程节选

And now, you're not the driver, you really feel helpless until you notice standing next to you, leaning over the bridge is a very fat man.

但你不是电车司机，你真的爱莫能助,直到你发现，在你旁边，靠着桥站着的,是个超级大胖子。

耶鲁公开课 - 公正课程节选