But within all of these groups is an attempted try to get down something that's so fundamental, and we just have to safeguard. I'm thinking broadly in terms of social justice criteria, others may say human dignity. There're certain things we do to safeguard others' human dignity.

但在所有这些群体中都有一种努力,在尝试着记录下最根本的东西，而我们要做的就是维护，我在广泛思考着,社会正义的标准，其他人可能会说是人的尊严，有些事情,我们会做从而维护他人的尊严。

普林斯顿公开课 - 人性课程节选

Well, a cross-sectional study would mean that you'd get a random group of the population and measure them in 1970 and then take another random group five years later and measure them, but it wouldn't be the same people necessarily, it would be different groups of people.

那么,横断面研究就是,1970年你在人群中随意选择一组人,并记录下相关数据,然后,五年后再随意选择一组人记录数据,但这不需要是同一组人,通常是不同的人

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

It's a more powerful method than something called a cross-sectional study, and I'll come back in a later lecture and talk about these in more detail, but a cross-sectional study means you're taking a snapshot of a population of people at one time.

这种方法比所谓的横断面研究更加有效,我将在以后的课中,再仔细讨论这个问题,但横断面研究是指,你一次记录下一群人的状况

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选