It means that we want to eat when there's food around, and it doesn't matter so much whether we're really hungry.

这就意味着只要周围有食物我们就想吃,不管我们是不是真的饿了

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

We don't hike and when we get stuck, we don't want food, we want our table of integrals.

我们不登山,而一旦我们被困住了,我们并不想要食物,我们只需要一张实用积分表

耶鲁公开课 - 基础物理课程节选

to the process whereby the heavenly angels not only eat food but they also digest it; and Milton lets us know, whether we want to know or not, how those angels actually excrete the food they have taken in.

去描述天堂的天使不只吃食物而且要消化它的过程,弥尔顿让我们知道，不管我们想不想，这些天使怎样排泄出他们吃的食物。

耶鲁公开课 - 弥尔顿课程节选