By 1852-53,Boston and New York think about this--Boston-- although we're getting close to that again Boston and New York had 50% foreign-born populations.

在1852年到1853年间,波士顿和纽约,你们听听这个数据,虽然我们现在又快接近这个比例了,那时移民占据波士顿和纽约人口的50%

耶鲁公开课 - 美国内战与重建课程节选

Because nutrition is going to be one of the big problems of your generation; how to have enough nutritious food for the population as it grows.

因为营养,对你们这一代人是个大问题,怎样才能确保食物的质和量,能够满足日益增长人口的需求

耶鲁公开课 - 生物医学工程探索课程节选

You've got people from the outskirts coming in for food and safety; but, the population is slightly over two million people, and that's a lot of mouths to feed.

人们从郊区前往城市寻求食物和庇护,然而人口数量很快突破了二百万,人人都在等米下锅

耶鲁公开课 - 1871年后的法国课程节选

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

The English Civil War, the Thirty Years' War, in which in parts of central Europe a quarter of the population disappeared, were killed, murdered in ways that I will unfortunately show you in a while.

欧洲近四分之一人口,死于三十年战争和英国内战,稍后我会展示给你们看,我对此也很难过

耶鲁公开课 - 欧洲文明课程节选