Even after being processed at the city's water treatment plants the water takes another journey through leaky pipes that ensure it is no longer drinkable once it reaches people's homes.

VOA: standard.2010.08.04

That is, how many hamburgers do we think are being eaten and that's the food disappearing; how much of the foods are being consumed in processed products and the like, so that's a pretty gross estimate as well.

比如说,多少个汉堡包被吃了,那就是食物消费,有多少食品被,以加工好的成品等形式消费,所以其中估计的成分也很多

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选