属于自然的东西不可能是人类活动的结果，另一方面，文化的发展却是在违背自然的情况下实现的。

What belongs to nature cannot be the result of human activities and on the other hand, cultural development is achieved against nature.

youdao

首先，它是违背自然的，最好是自然繁殖。

First, it is against naturally, the best way is nature reproduction.

youdao

而有人则看到了对人类繁殖的可怕的完全违背自然的干与。

But others saw a nightmarish and decidedly unnatural interference with human reproduction.

youdao

Even though I am free, I'm not free to violate the law of nature.

即使我是自由的，我也不能随意违背自然法。

耶鲁公开课 - 公正课程节选

It is unjust, contrary to nature and religion, to hold men enslaved.

它不公正的,违背了自然和信仰,将人变为奴隶

耶鲁公开课 - 美国内战与重建课程节选