There's this notion of a Boolean value named after Mr. Bool, which is just a notion of true or false.

布尔值的概念是在布尔先生之后命名的，它是一个正确或错误的概念。

哈佛公开课 - 计算机科学课程节选

We have a system, which you say it really-- The progressive tax system is very important but it's not conceptualized right.

我们有个制度，你们都觉得-,累进税制非常重要,但它被错误的概念化了。

耶鲁公开课 - 金融市场课程节选

If a person has the basic concept down, regardless of numerical errors, if the person has the basic concept down, he or she must get at least five out of ten.

如果一个人有一些基本的概念，不管一些数字上的错误，如果他有基本的概念，至少都能够得到一半的分。

麻省理工公开课 - 固态化学导论课程节选

It's a bad habit to get into, because when you come back to it, it may haunt you later on down the road. So really get into that notion of trying to be defensive as you program.

来运行程序的时候,错误就会出现缠住你了,因此现在我们真的要培养,在程序中有防卫性设计的概念。

麻省理工公开课 - 计算机科学及编程导论课程节选