"Google hopes to benefit from it by improving our search and we expect that we will make some money as we sell the books, but the motivation is not the money we're going to make from selling books,"

VOA: standard.2009.12.31

Now this was nineteen-eighty-two, quite a long time ago, at a time when people really weren't paying much attention to calories like they are now, so you'd expect the errors to decline as time goes on and there's some evidence of that, but they're errors nonetheless.

这是1982年的实验,很早之前了,当时的人们并不像今天的人们一样,那么关注卡路里,所以你会预计误差会随时间推移而减小,有证据证明了这一点,但误差仍然存在

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选