The integral of one over a quantity is the natural log.

这种形式的积分结果,是自然对数。

麻省理工公开课 - 热力学与动力学课程节选

So, I want to stress the sense of natural development, not some kind of a central authority making a decision about anything.

我在这里强调,这是一种自然的发展方式,不是某种中央政权进行决议的结果

耶鲁公开课 - 古希腊历史简介课程节选

It's determined by the laws of nature that the effect that follows will follow from that cause.

自然法则决定了,这个结果必然跟随这个原因产生

耶鲁公开课 - 死亡课程节选

Reason, science, art is the capacity to transform nature by making it, imposing on it, a method that will produce like effects after similar consequences.

理性，科学，艺术是一种能力,是通过创造，施加影响力改变自然的能力，是一种在类似的结果发生后,产生类似结果的能力。

耶鲁公开课 - 政治哲学导论课程节选

If the latter, if this hierarchy of intelligence or this hierarchy of the rational is the result of upbringing, ? then how can slavery be defended as natural?

若是后者，即智慧的阶级制度,或说理性的阶级制度,是教养的结果，那奴役如何能以自然演变加以辩护？

耶鲁公开课 - 政治哲学导论课程节选