And I would suggest palindrome as a great example of that. That's easy to think about recursively. It's much harder to think about iteratively. And you want to get into the habit of deciding which is the right one for you to use. And with that, we'll see you next time.

其它的问题可能用递归的方式,可以更好的解决,而直接思考可能很困难,这时你就得养成做出,正确选择的好习惯了,下周再见。

麻省理工公开课 - 计算机科学及编程导论课程节选

See ya, I don't wanna be around you.

你总不能说：“再见，我不想跟你一起。，You，can’t，just，say：”

普林斯顿公开课 - 人性课程节选