The myth that you hear about is, Americans have been told to eat less fat, the percent of calories from fat is down, Americans are fatter than ever, therefore fat doesn’t make you fat.
你们听到的问题是 美国人已经知道需要少吃脂肪， 从脂肪中摄取的卡路里所占的百分比已经下降， 美国人却比以前更胖，所以脂肪并不是让你肥胖的因素。