If I decide there's a better way to get input, and there is, then I can make it to change what I don't have to change the code that uses the input.

如果我觉得有更好的获取输入的方法，我可以直接改去用这种方式,而不用更改使用了,输入处的代码。

麻省理工公开课 - 计算机科学及编程导论课程节选

Virtually every major anatomical change-- think about that for a minute-- every major anatomical change that has existed in humans can be related in one way or another to how foods are acquired and processed by the human body.

事实上,每个重大的解剖学变化,你们想想,人体的每一个重大解剖学的变化,在某些方面,都和获取食物的方式,以及人类机体如何处理这些食物有关

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选