"If someone says I should eat fruits,vegetables, whole grains,fish,nuts, and avoid processed foods, sugary beverages, and foods with trans fats or high in salt, that's actually much simpler, I think,than chasing all of these numbers."

VOA: standard.2010.03.25

Okay, so you can see the size of the errors and you can see the problem with dietary assessment, and you can see the problem with how many calories get packed in processed foods.

你们看见了,误差的幅度很大,你们也明白了膳食评估的困难,你们也发现了,加工食品含有大量卡路里的问题

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选