And in particular, dairy maids, whose responsibility was to milk cows, and so they had a very intimate relationship with cattle, often didn't get disease.

特别是挤奶女工,她们的工作就是挤奶,她们与奶牛有紧密的关系,通常不会得天花

耶鲁公开课 - 生物医学工程探索课程节选

So, you're starting out with about-- please don't write these down-- 24,000 cattle, 150,000 sheep, 6,000 hogs, and that is not enough to eat, and people become quite obsessed with what they're going to eat.

这样一来你至少需要,这个不用做笔记,两万四千头牛,十五万只羊,六千头猪,而这些只够勉强维持,人们开始为吃什么犯愁

耶鲁公开课 - 1871年后的法国课程节选