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