Well, put a pretty face here, an ugly face here, see if the baby prefers to look at the pretty one.

在这边放一张漂亮的脸庞,在这边放一张丑陋的脸庞,观察婴儿是否更喜欢注视漂亮的那个

耶鲁公开课 - 心理学导论课程节选

So this one is not a spoof, it's actually a pretty cute video and it offers us the opportunity to just take a look at some of the kinds of ideas we'll be looking at in this course.

这个就不是开玩笑了，它其实是个比较有趣的视频,它让我们有机会了解,在我们课堂上会讲到的一些思想。

哈佛公开课 - 计算机科学课程节选

But we could, for example, look at a case where we have several different structures that look pretty good, and the one we want to determine as being the lowest energy structure is the one in which the absolute values of the formal charges are going to be lower, so essentially that they have less charge separation.

但是我们可能，比如，遇到一种情况,有好几个候选的路易斯结构看起来都挺好的，这时候我们就需要,通过比较哪个形式电荷的绝对值更低,来决定哪个结构的能量更低，本质上这个结构中分开的电荷更少。

麻省理工公开课 - 化学原理课程节选

Basic idea, before I even look at the code, is pretty simple. If I've got a list that is sorted, in let's call it, just in increasing order, and I haven't said what's in the list, could be numbers, could be other things, for now, we're going to just assume they're integers.

我们可以说基本的思想是很简单的,如果我有一个排好序的数组，让我们认为这个数组是递增的吧，我并没说数组里元素是什么，可能是数字，也可能是其他的东西，现在我们假设是integer类型的数字吧，最简单的方式就是这么做了：

麻省理工公开课 - 计算机科学及编程导论课程节选

It, too, is pretty short, but take a look at what this one does.

它也很短，但先看看,这个是干什么的。

哈佛公开课 - 计算机科学课程节选