Now,let us suppose you and I were speaking freely about something private.

VOA: special.2010.07.11

It's going to let us bury away the specifics of something, and treat that computation like a black box. And by black box, I mean, literally behaves like a mysterious little black box.

通过抽象我们可以将一些细节,掩埋起来并将这一段计算当成黑盒,说到黑盒我的意思就是,字面上的像一个神秘的小黑盒。

麻省理工公开课 - 计算机科学及编程导论课程节选

Well, let's start by-- Plato starts by telling us, reminding us of what it is to remember something.

让我们从这里开始,柏拉图首先告诉我们,提醒我们什么是记起一件事情

耶鲁公开课 - 死亡课程节选