We focus on one because we are paying for it, but the wall is doing the opposite.

我们只关注某一边因为我们只对这一边施力,但是墙对另一边有反向的作用力

耶鲁公开课 - 基础物理课程节选

He's doing the opposite of what Mozart did.

而他所做的和莫扎特恰恰相反。

耶鲁公开课 - 聆听音乐课程节选

Doing anything you like, it seems to be the opposite of the platonic understanding of justice as each one doing a special function ? or fulfilling or doing a special craft.

做你爱做的事，这似乎有别于,柏拉图所理解的正义,不是要每个人都拥有一样,特殊的功用或善尽或发挥一种特殊技能吗。

耶鲁公开课 - 政治哲学导论课程节选