Now secular people have started to think and perceive like this, that anything may happen to them that they may even end up in a jail one day.

VOA: standard.2009.05.20

The atoms or molecules in the gas don't know that there are other atoms and molecules in the gas, and then you end up with this universal property. All right, so gases that have this universal property, even when the pressure is not zero, those are the ideal gases.

可以忽略,这样就得到了理想气体的性质,在有限压强下,依然能保持这些性质的气体，被称为理想气体，本课中我们把大部分气体，都作为理想气体来处理。

麻省理工公开课 - 热力学与动力学课程节选

So even though there's only two firms here, with price competition, identical products, we end up with an outcome that looks exactly like perfect competition, except for the fact there's only two firms.

尽管这里只有两家公司,进行某种产品的价格竞争,我们得到了,和完全竞争非常相似的结果,除了只有两家公司这个事实

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