呃，比如说，我们的肠道里有一种叫做thetaiotamicron的杆类菌，专靠我们摄入的食物为生，之后再通过将食物分解为糖和维生素反过来帮助人体消化。

Intestines that lives off the food we eat. In return, it helps us digest certain foods by breaking them down into sugars and vitamins.

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这表明饥饿和食物摄入之间的关系比我们想象的要复杂得多。

This shows that the relationship between hunger and food intake is more complex than we thought.

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在我们找到地方种植谷物、糖料作物、种子和油料作物之前，那些食物为我们提供了目前摄入的卡路里中的大部分。

That is before we look for the space to grow the grains, sugars, seeds and oils that provide us with the vast bulk of our current calorie intake.

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Now when I asked you to start keeping the dietary records, I asked you not necessarily to change your food intake because we wanted you to have an accurate record of what you typically ate.

当我让你自己保留饮食记录,我告诉你没有必要改自己的食物摄入记录,因为我们想获得准确数据,关于你一般吃什么

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

One problem that people have is understanding what a portion is, because you say we should have this many servings of fruits and vegetables a day, we should have this many servings of that a day.

人类很难理解每餐食物摄入量这概念,因为假设,我们一天应该摄入一定份量的水果和蔬菜,各种食物每天都有一定摄入量

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

We take in a lot of food and water everyday, every year, and yet most of us our weight stays remarkably stable over that period of time for adults despite how much we eat and how much we drink.

日复一日年复一年,我们都摄入大量的食物和水,但我们绝大部分人的体重,在成年期都保持得很稳定,不管我们怎样大吃大喝

耶鲁公开课 - 生物医学工程探索课程节选