So there's a return branch on every possible path through the code. And that's valuable, it's something you want to think about as your right your own.

所以代码中每条可能的路径,都会有一个返回值分支，这是非常有价值的,当你自己写程序的时候也应该考虑这件事。

麻省理工公开课 - 计算机科学及编程导论课程节选

It's a valuable tool that you want to have as a programmer.

对于作为一名程序员的你来讲,这是很有价值的一个工具。

麻省理工公开课 - 计算机科学及编程导论课程节选

All the supreme court justices would share our social values. And most importantly, our programs would work the first time we typed them. By now you may have noticed that we do not live in an ideal world.

符合我们的社会价值观,但是最重要的是，我们写好的程序，第一次就能顺利运行,如今你可能已经注意到了,我们生活的并不是一个理想的世界。

麻省理工公开课 - 计算机科学及编程导论课程节选

I guess it's not macho enough, John, to just, you know, you know, go off and do things by hand, you ought to just run them, but it's a valuable tool to get into, so let me do that here.

我认为这不太男人了，John，你知道的，他们仅仅是认为比起用手做来,更应该直接去运行程序，但是这确实是调试代码的非常有价值的工具，让我在这里给大家演示下吧。

麻省理工公开课 - 计算机科学及编程导论课程节选