The sovereign is not the direct expression of my will or your will, but rather an abstraction from my natural desire to rule myself.

君主制不是对我的，或者你的意志的直接表达,不如说是一种抽象概念,是源于自己统治自己的自然愿望。

耶鲁公开课 - 政治哲学导论课程节选

The state was an abstraction, but in the person of the czar it was a reality.

国家" 只是个抽象概念,但沙皇这个人是真实存在的

耶鲁公开课 - 欧洲文明课程节选

I'm using it as an abstraction, saying I'm going to have square root from somewhere, maybe I'll build it myself, maybe somebody gives it to me a s part of a library, so I'm burying the details inside of it.

我把这个方法作为一个抽象来引用，意味着我将会从另外一个,地方去求一个数的平方根，可能我会自己写这个方法,也可能我会从别人写的lib中去引用,因此我将实现的细节放到了其他地方。

麻省理工公开课 - 计算机科学及编程导论课程节选

I'm thinking of the general problem of the abstraction of virtue, an abstract notion of virtue. Think of all the questions that all of us at some point or other tend to associate with virtue.

我在思考贞操这个抽象概念，贞操这一抽象的概念，想想所有那些,我们时不时的会由贞操想到的问题。

耶鲁公开课 - 弥尔顿课程节选

An idea of abstraction, that idea of specification, is exactly what we want to use inside of our functions.

抽象的概念，规格化的概念,就是我们想要运用到。

麻省理工公开课 - 计算机科学及编程导论课程节选

Given the abstraction, the notion of a point as an instance with some values, I can now start building segments.

真的很有帮助，基于这个抽象,点的概念也就是一个，有一些值的实例。

麻省理工公开课 - 计算机科学及编程导论课程节选