"If we look at per-capita health expenditure, in the low income countries, it is $22 per capita,"

VOA: standard.2009.05.21

You can see that in the early 1950s mortgage debt was only something like 25% of personal consumption expenditure, but now it's up to about 100%.

抵押贷款在20世纪50年代,只占个人消费支出的25%,现在却占到几乎100%

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