来自《耶鲁大学开放课程：有关食物的心理学、生物学和政治学第19集第19集》

particularly if they're in a restaurant

特别是如果他们在一个餐馆里
and they don't know

而他们不知道
what the content of the things is that they're eating.

他们所食用的东西里到底有什么
I want to talk to you about another public health model

我想再给你们介绍一个公共卫生模式
that deals again with guns,

是用来解决枪问题的
but I think is applicable to other issues.

但我想可以应用在别的问题上
Think of the universe of people.

设想全世界的人们
Do you remember venn diagrams?

你们还记得韦恩图吗
When you were in high school you learned about venn diagrams,

你们高中的时候应该学过韦恩图的
is there anybody who didn't learn about venn diagrams?

有谁没有学过吗
Should we explain venn diagrams to somebody?

需要我们来解释一下什么是韦恩图吗
When I was in high school I had a great math teacher.

我高中时候的数学老师非常地好