Well there are methods that get used to track population intake and methods to track individual food intake, and let's talk about each of them.

有的方法,用于追踪总体摄入量,有的方法追踪个体食物摄入量,让我们分开来谈

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Well, first it is important because it's-- you need to track what the population is eating and also individual intake.

说它重要首先是因为,你需要探寻人们都吃什么,还有个体摄入量

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

And as a result of writing it down and keeping track, he produced a very clear record, and scientific evidence, that using this procedure could protect a population of people from the disease.

凭借他的持续关注和追踪,他做出了十分清晰的记录,留下了科学证据,证明这种方法,可以让人们不再得这种病

耶鲁公开课 - 生物医学工程探索课程节选