You see partially hydrogenated oils as an ingredient in many foods.

在很多食物的成分中都能看到部分氢化油

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

So how many calories, and how much fat, how many grams of fat would you say are in the following foods?

你们认为以下食物中,有多少卡路里,多少克脂肪

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Trans fats are in a great many foods and if you start looking carefully at food labels you'll see how many foods have Trans fats.

很多很多食物都含有反式脂肪,你仔细看看食物标签就会发现这一点

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Were you surprised by how many calories were in some foods?

你会因为某些食物的卡路里含量而惊讶吗

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

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