Tenure is limited to 30 years and, if the license is not renewed, then that plot is used again by someone else.

VOA: standard.2010.07.22

If you find a matching sock which you didn't so then else.

如果你找到相匹配的袜子就执行接下来的代码,否则就执行其他。

哈佛公开课 - 计算机科学课程节选

So, if I'm the system, then everything else is the surroundings.

因此，如果我是个系统，那么其他任何事物都是环境。

麻省理工公开课 - 热力学与动力学课程节选

If you are not religious, you can imagine something else. And if you don't believe there is anything there at all then probably it is not the movie you should go see,I guess."

VOA: standard.2010.01.08

If I wanna say something, do something, then say something else, I just call printf twice.

如果我想说点什么，做点什么，再说点什么，我就得调用printf两次。

哈佛公开课 - 计算机科学课程节选