Once each time. Right? I only do one swap potentially, it-- though not one potentially, each time at the end of the loop I do a swap.

每次循环做一次，对么？我其实,就可能做了一次交换，也许并不是可能，每次循环的结束我都得做一次交换。

麻省理工公开课 - 计算机科学及编程导论课程节选

I still get nervous before every single lecture, which is actually a good thing. But it's managable.

每次上课前，我仍会感觉紧张，其实这是件好事，它可以控制。

哈佛公开课 - 幸福课课程节选

Right? If that was the case in that code, then my complexity is no longer log, because I need linear access for each time I've got to go to the list, and it's going to Lisp be much worse than that.

这里的复杂度不再是对数的了，因为每次在列表中，查找需要线性访问,可能还要糟糕,其实，有些编程语言，如。

麻省理工公开课 - 计算机科学及编程导论课程节选