It's just humans tend to live " in a richer environment than rats."

只不过相较于老鼠,人类生活在刺激更加丰富的环境中罢了“

耶鲁公开课 - 心理学导论课程节选

So people were dying of old age and that was really heart disease that was killing them they just didn't know, so it's multi-factorial and we'll talk about that.

老死的人实际是死于心脏病,只不过人们不知道这一点罢了,这是个多因素的问题,我们以后会进一步探讨

耶鲁公开课 - 生物医学工程探索课程节选

What is inescapable is farmers are a sociological category of people, different from non-farmers in all kinds of critical ways, and it is just an example of how this whole business has disappeared.

不可否认的是,农业人口是一种社会学对人口的分类,和非农业人口是完全不同的,这只不过是,整个产业走向消亡的一个例子罢了

耶鲁公开课 - 古希腊历史简介课程节选