And the second thing that we talked about is this idea that we want you to in fact learn how to relate a choice you make about a piece of code to what the efficiency is going to be.

关于这个方法第二件事,就是我们实际上希望,你在写代码的时候,能做出优化效率的选择,因为此。

麻省理工公开课 - 计算机科学及编程导论课程节选

Well, I guess in the first case where you have the one worker and the five, it's a choice between those two and you have to make a certain choice and people are going to die because of the trolley car, not necessarily because of your direct actions.

我认为，在第一种情况中是撞死一个还是五个，你只能在这两者中选择,不管你做出的是哪一个选择,总得有人被电车撞死，而他们的死，并非你的直接行为导致。

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