尽管对于那些对网络管理员非常有价值的命令，sleep是一个很好的模型；但是没有理由先睡眠数秒钟，然后再返回。

There's little point in sleeping for a few seconds and then returning; sleep is a good model, though, for the commands that are useful to network administrators.

youdao

In other words it doesn't just return when it finds one, it's going to run through all of them. All right?

但是它将会继续运行,换句话来说当它找到一个结果时,它不会立刻返回结果它会先遍历所有的内容？

麻省理工公开课 - 计算机科学及编程导论课程节选