When you buy high and sell low it's really hard to generate returns, even if you do it with great enthusiasm and great volume.

当你高价买入低价卖出时,是很难产生回报的,不管你有多大交易热情或有多大交易量

耶鲁公开课 - 金融市场课程节选

Well you know when you walk past those soft drink machines you're being marketed to even if you don't buy it because it's that big colorful thing that stands out.

那么当你在经过这些饮料贩卖机时,你就接受了营销,即使你没有买饮料,因为这个又大又花哨的东西太显眼了

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选