For example, a portion of pasta according to the U.S. Department of Agriculture would be about the amount of pasta that would be the size of a tennis ball.

比如说,意大利面的每日摄入量,根据美国农业部,是如此的份量,大概和网球一样大小

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Now if you lived in a culture where the only meat that got served was the size of a deck of cards, and the only pasta that got served was the size of a tennis ball, there wouldn't be such problems, but that's not the case.

如果我们生活在一个,肉类每日摄入量是一副牌大小,或者意大利面只有网球大小的环境中,问题就不会存在,可惜这不是现实

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选