I ought to say a word about death, in order to comprehend what the Greeks thought. You know, different peoples have had different ideas about them.

我得说一下有关死亡的事儿,好让你们更容易理解希腊人的思维,你们知道,不同人对于死亡的观念是不同的

耶鲁公开课 - 古希腊历史简介课程节选

People have their own definitions of happiness. What does happiness mean to you?

每个人对于幸福都有不同的定义。对你来说，幸福是什么？

幸福的定义 - SpeakingMax英语口语达人