Well it has to do with our distance from food, our psychological and physical distance from food, and the fact that we don't appreciate it as much as we do because it's everywhere all the time and we've been trained to eat outside of the normal meal times.

我想这和我们与食物之间的距离有关,包括与食物之间的心理距离和身体上距离,事实上,我们没有给予食物足够的重视,因为食物随手可得,无处不在,而且我们都习惯在非用餐时间吃东西

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 this exercise of being able to work In these three different modes, economic intuition, graphs, and kind of nerdy high school math is a lot of what we want to get you used to as Economic Majors, just to be able to translate easily between those.

这个练习可以用,三种不同的方法解决,即,经济直觉,图表,和一些讨厌的高中数学,希望经济学专业的同学能掌握这些方法,对于这些方法能够随手拈来

耶鲁公开课 - 博弈论课程节选