At the Chamber's annual state of American business address, Donohue outlined what he called an "achievable plan" to create The five point plan includes expanding U.S.exports around the world, rebuilding the nation's infrastructure and maintaining taxes at current levels.

VOA: standard.2010.01.12

Let me give you, I'm going to create, q a polar point, I'm going to call it q, and we'll give it some random values.

让我给大家讲解下，我要去创建，一个极坐标点，然后我会去命名它为，然后我给它赋一些随机的值，好，现在我想知道。

麻省理工公开课 - 计算机科学及编程导论课程节选

Having created this thing called Cartesian point, I'm going to create two instances of it.

这里面是控的,好，我们一会就会来完善它，但是类的概念就是。

麻省理工公开课 - 计算机科学及编程导论课程节选

And that's a wonderful thing to have because it gives you that modularity, that encapsulation that basically says, when I create a point, the only way I can get at the values, is by using one of the defined methods, in this case it could be Cartesian, Cartesian and get all the pieces of that.

这是很棒的一件事情,因为它让你有了，模块性以及封装性，这基本上也就是说，当我创建了一个点，我能够得到它的值的唯一的方式，就是用一个定义好的方法，在这个例子中也就是。

麻省理工公开课 - 计算机科学及编程导论课程节选