OK, so w, first of all, work is being done to the system on the left hand side here.

好的，首先,我们通过左边对系统做功。

麻省理工公开课 - 热力学与动力学课程节选

On the other hand, what most of us rely upon I think is essentially the first amendment tradition.

另一方面，我们大多数人遵循的,说到底还是美国第一修正案的传统。

普林斯顿公开课 - 人性课程节选

So on the one hand--temporal sequence-- first you know Ruth, you meet Ruth, you get to know Ruth.

所以一方面,按时间顺序来说,你需要先知道露丝,见到露丝 了解露丝

耶鲁公开课 - 死亡课程节选

And, believe it or not, I have students walk in and first thing a hand goes up and says do you have a pen? I cannot believe it.

不管信不信，我有些学生走进来，第一件事就举起手问,你有没有笔，难以置信。

麻省理工公开课 - 固态化学导论课程节选

So let's first look at the left hand side.

所以首先让我们看看左手这边。

麻省理工公开课 - 热力学与动力学课程节选

On the other hand, if I want to sort it first, OK, if I want to do sort and search, I want to sort it, it's going to take n log n time to sort it, and having done that, then I can search it in log n time.

我先排序，好的，如果我想排序再搜索，我要排序，这需要花n，log，n时间排序，然后做完了，我们能花log，n时间搜索,啊，哪一种更好呢？恩，呵呵。

麻省理工公开课 - 计算机科学及编程导论课程节选