汤姆的旧电脑在五年前还运行得很快，但渐渐地它变得非常慢。

Tom's old computer ran fast five years ago, but little by little it became really slow.

youdao

它运行得很快。

It's running fast.

youdao

构建通常运行得很快(少于20秒)。

The build is usually fast (less than 20 seconds) to run.

youdao

All right? A linear search, I start at the beginning of the list and walk all the way through it. All right, if I'm lucky and it's at the low end, If it's not, if it's at the far end, I've got to go forever, and you saw that last time where this thing paused for a little while while it actually searched a list this big.

如果很幸运就在开头,那运行起来很快，如果是在末尾,那就一直得走到头，上次看到了,如果搜索空间很大,程序都会暂停一会,好的，那我希望你们。

麻省理工公开课 - 计算机科学及编程导论课程节选