We won't talk about the BCS rankings, though So the idea here is a pretty simple one.

我们并不是在说英国计算机协会排名,所以我们要讲的概念很简单。

麻省理工公开课 - 计算机科学及编程导论课程节选

We started out with just a simple idea: that you don't want to put all your eggs in one basket and if you had a lot of independent stocks you would want to just weight them equally.

我们从一个简单的想法开始：,你不想把所有的鸡蛋放入一个篮子里,如果你有许多互相独立的股票,你给它们相同的权重。

耶鲁公开课 - 金融市场课程节选

What we're really getting at is the idea of saying I want to have a way of grouping together information into units that make sense. So I can go back to one of those topics we had at the beginning, which is the idea of abstraction, that I can create one of those units as a simple entity, bury away the details and write really modular code.

组合成为有意义的单元,那么这就让我们回到,一开始讲的话题之一了,这就是抽象的概念,也就是我可以以一个简单的，实体的形式创建这样的一个单元，把具体实现隐藏然后写一些,真正模块化的代码,我们在以后的课程中。

麻省理工公开课 - 计算机科学及编程导论课程节选