Each of these firms is trying to maximize profits, but how about the total profit in the industry?

每一家公司都尽力实现利润最大化,可整个行业总利润是怎样计算的呢

耶鲁公开课 - 博弈论课程节选

Generally organic, it comes from organic farm where they practice sustainable,

一般来说，有机食物来自于有机农场，在那它们能实现可持续性，

吃有机食品 - SpeakingMax英语口语达人

I am going to do that by adding an electron.

加一个电子可实现这一转化。

麻省理工公开课 - 固态化学导论课程节选

Going forward I like to talk with you about health reforms Talk about two aspects of reform one what do you think are the most important reforms that we as a nation need Secondly what is politically and socially feasible doable, achievable?

接着说,我想跟你聊聊医疗改革,谈谈改革的两个方面,一方面，您认为,我们国家,最需要进行改革的是什么,其次，从政治方面,和社会方面而言,什么是可行的,可做的，可是实现的？

普林斯顿公开课 - 国际座谈会课程节选