The green line is the building costs and you can see that building costs, since 1890, in real terms-- everything is corrected for inflation -have gone up a little bit since 1890, but not a whole lot.

绿线表示了建筑成本,你可以看到建筑成本,自1890年来,以实际值计算,所有的数据均进行了通胀修正,从1890年开始有一点点上涨,并非是大幅度上涨

耶鲁公开课 - 金融市场课程节选

In the case of energy expenditure, how many calories people were burning, there wasn't quite such a difference, but again, it was in the favor of the individuals, that the people were estimating they burned this many calories from physical activity, but this is actually the number that they burned.

就能量消耗来说,人们消耗了多少卡路里,两者之间的差异并不是如此巨大,但又一次,由于人们的一厢情愿,人们估算从体育活动中,他们消耗了这么多的卡路里,但数据是他们实际消耗的

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选