So the first thing we're going to do today is look at a different form of competition which is called Bertrand competition.

所以今天我们要做的第一件事,就是来学习一个不同形式的竞争,叫伯川德竞争

耶鲁公开课 - 博弈论课程节选

It's another form of competition, the competition between these two sources of values, the community at large versus the individual and the family.

这是另一种形式的竞争,是两种不同价值观间的竞争,"集体利益"对"个体和家庭利益"

耶鲁公开课 - 古希腊历史简介课程节选