Of course that depends on the accuracy of the self- reports that people are making on their own, and as you'll see in just a minute, there are errors in that and some of you may have experienced some of that yourself in keeping the dietary records.

当然这还取决于每个人自己完成的,个体调查的准确性,正如你马上会看到的,这其中有误差,而你们也可能经历过一些,你自己保存膳食记录时的误差

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选