is the concept of man as a heroic being, with his own happiness as the moral purpose of his life, with productive achievement as his noblest activity, and reason as his only absolute."

VOA: special.2010.06.06

An insurance policy--the concept is very simple, we could talk about fire insurance or life insurance.

保单的概念其实很简单，我们可以谈谈火灾保险，或者人寿保险。

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The concept of Star Festival itself is about my own life.

七夕“项目的理念是我自己的生活。

麻省理工公开课 - 媒体、教育、市场课程节选

Well, what she found was that life insurance salespeople were going to families and trying to sell them on life insurance by explaining the concept and they would say something like I did.

这是因为她发现当时的保险推销员,总是来到客户家中,并且希望通过介绍各种概念来推销保险,他们会说一些类似我之前讲过的东西

耶鲁公开课 - 金融市场课程节选