But when you go to restaurants or people buy steaks you just don't see anything that small, and so the serving sizes are multiples of what might be typical.

但当人们去餐馆或者买牛排的时候,不会看见这么小的肉,所以我们生活中的份量是正常大小的几倍

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选