If anything happens to me in my livelihood, then it's spread out over everybody and everybody means the whole world.

如果我的生计出问题了，它将分散到每个人身上,每个人指全世界的人。

耶鲁公开课 - 金融市场课程节选

But if my students can catch me making a mistake, it means they are following it and they are not hesitating to tell me.

如果我的学生能发现我犯的错误,这证明你们确实在听课,并且愿意直言不讳

耶鲁公开课 - 基础物理课程节选

Just to remind those people who are not Economics Majors what that means, it means if I produce 1 unit then it costs me C to produce, if I produce two units it costs me 2C, 100 units a 100C and so on.

顺便提示一下那些,非经济专业的同学这表示什么意思,它表示生产1单位产品需要消耗C成本,如果生产2单位,需要的成本是2C,100单位需要100C,以此类推

耶鲁公开课 - 博弈论课程节选