以前人们认为地球是平的，所以人类从未征服过地球。

Believed to be flat, the earth was never conquered by human beings.

youdao

在8000米的高度，只有30%的氧气，人体只能处于这个高度仅几天，所以人类再往上爬是危险的。

At the height of 8,000 meters, there is only 30% O₂ and the human body can only stand this height for a few days, so it is dangerous for humans to climb higher.

youdao

所以人类的本能被巧妙的设计为让男人害怕把同这些非常珍贵的女人的关系“搞砸”。

A wise designer of human instinct would therefore give men a fear of “blowing it” with such rare and precious women.

youdao

All right. So you can already begin to see a development in intellectual history that perhaps opens the way to a certain skepticism.

好，所以大家已经开始看到,人类思想史的一个发展,它很可能为某种怀疑主义开辟了道路。

耶鲁公开课 - 文学理论导论课程节选

But your food shall be the grasses of the field; By the sweat of your brow Shall you get bread to eat" So knowledge or wisdom or perhaps moral freedom seem to come at a very high price.

你也要吃田间的菜蔬;,你必须汗流满面,才得以糊口“,所以，人类为得到智慧，道德自由,付出了极大的代价。

耶鲁公开课 - 旧约导论课程节选

Well, the world had to come up with another symbol that looked as similar as possible just for people's sanity, so they went with equals equals.

好的，我们必须提出另外一个,看起来符合人类思维习惯的符号，所以他们采用了“==“

哈佛公开课 - 计算机科学课程节选