If you can read the code a year later, even code you wrote yourself, it's a good sign that you put good comments in, right?

如果你还能读懂1年前的代码，就算是你自己写的代码，这也说明了你放进去的注释,已经非常好了，对不对？

麻省理工公开课 - 计算机科学及编程导论课程节选

Most of the time, it really is safe. You just have to be smart about it.

大多时候，都很安全。你只要放聪明点就好了。

大城市是否危险？ - SpeakingMax英语口语达人

So this is a little scale that if you put something here or here it's supposed to tell you which one is heavier and I also have 8 cups here.

这是一个小天平，如果你在这边,或者这边放一些东西，它就会显示哪边的更重,我这有8个杯子。

哈佛公开课 - 计算机科学课程节选