Now this is a little counterintuitive, because very often people underestimate the amount of calories in things, but what's important here is the-- the error, the size of the error.

这与我们的直觉有些相反,因为经常性地,大家低估了卡路里含量,重要的是,误差和误差的大小

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

It's constant reminder, twice a week.

经常性的提醒，一周两次。

哈佛公开课 - 幸福课课程节选