"For example." "we cannot determine if a drug is going to work in a human being, and be safe in a human being by testing that drug in cell culture models.

VOA: standard.2010.02.16

And cryptography involves scrambling information, converting what you a human can read into sort of nonsense that hopefully a bad guy cannot read.

密码包含不规则的信息，它把我们正常人能读懂的东西转化为,希望坏人读不懂的东西。

哈佛公开课 - 计算机科学课程节选

Now, they have no choice, they cannot rely as human beings typically do on just doing what your parents did, just inheriting a tradition that functions, that works, that keeps you going.

不过他们别无选择,他们不能像人类常做的那样,依靠重复父辈做的事,继承传统的职责,工作,这些能激励你坚持下去

耶鲁公开课 - 古希腊历史简介课程节选

You cannot truly achieve what you want and need as a human being without being an active and loyal citizen of this great community which you need to achieve what you want in life.

在这个你必须有所作为的庞大社会中,如果你并非一个积极且虔诚的公民,那么你就无法真正实现,你的所需和所求

耶鲁公开课 - 古希腊历史简介课程节选