If you eat food for a long time and then you stop, let's say a high sugar diet or something and withdrawal symptoms occur, well that might mean addiction is occurring.

如果你长期吃某种食物,一旦停止食用,例如高糖饮食之类,就会出现戒断反应,这也许说明你已经上瘾了

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

One of them was that the U.S. Government had shut down the construction industry during the war, so they didn't build any houses for close to five years; obviously we had a shortage of housing.

其一就是美国政府在战争时期,停止了建筑行业,那时他们已经快五年没有建造任何房屋了,显然,房屋资源是短缺的

耶鲁公开课 - 金融市场课程节选