We can think about this in an evolutionary way, as I've alluded to a lot, but if you think about it from a completely Darwinian point of view, and you think about these food conditions where food would be scarce in ancient times.

我们可以从生物演化的角度来看这个问题,我已经提到过很多了,但是如果你完全从达尔文学说的角度思考,从食品条件想想,在古代,哪里可能出现食物短缺

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

So my challenge to you, and I know Professor Guttag can do this, my challenge to you is, a year from now, come back and look at code you wrote here.

因此我这里有个具有挑战性的任务，我知道Guttag也可能会说这个任务，我的这个任务就是，一年以后，回头来看,你之前写过的代码。

麻省理工公开课 - 计算机科学及编程导论课程节选