You can take these big risks of time, and if at the end of the day there's nothing to detect, you still know how to build a detector.

如果最后你什么都没测到，你至少知道了,怎么造一个探测器,所以如果你们。

麻省理工公开课 - 化学原理课程节选

And we're going to talk about food and the psychology of it, the biology, and the politics, and this morning I'd like to run through what I mean by those things and what the course is going to be all about.

我们将讨论食品以及有关食品的心理学,生物学和政治学,今天早上我会讲解,这些都是什么意思,以及这门课将怎么进行

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选