认真的表情，秃顶但有一些美丽的白发，薄薄的嘴唇，下巴很锋利……我记得我以为你不够帅。

An earnest expression, balding but with some beautiful white hair, thin lips, a sharp chin ... I remember thinking you were not handsome enough for me.

youdao

而且，当我再次循着记忆搜索字句时，我发现我的记忆力欺骗了我，许多我以为能记得的，都变得模糊不清了。

Moreover, on looking over it now, I found that my memory had played me false and much of what I thought I knew had become hazy.

youdao

难道你不记得，当你小的时候妈妈知道什么对你是有好处的事情而你却不以为然，反而生气吗？

Don't you remember how furious you would get as a little boy when Mama knew better what was good for you?

youdao

Well, this question mark becomes an O, this question mark becomes an O, and then the loop terminates 0 1 2 because it's iterating from zero to N so that's zero, 1, 2 and the length of the string is 3 so the loop terminates, but I remember that I needed to have this special sentinel value so I'm just going to put it there manually.

嗯，这个问号变成了，这个问号变成了0，然后循环结束了,以为迭代从0到N，那就是，字符串的长度是3，然后循环就结束了，但是我记得我需要这个特殊的标记值,所以需要手动的加上它。

哈佛公开课 - 计算机科学课程节选