the speed of the money circulation of economy fell to the lowest level in fifty years.

现金流转的速度,降到了50年来的最低点。

斯坦福公开课 - 经济学课程节选

Well what it means is that starting in the 1930s we began to think of central banks as managing the money stock to stabilize the economy.

好吧，它意味着从二十世纪三十年代开始,我们就认为中央银行是,为了稳定经济而,管理金融债券的。

耶鲁公开课 - 金融市场课程节选

That led to an attitude among a good segment of our society that it's okay to go out and make money because making money means doing productive things for the economy and ultimately it's a benefit to society.

这致使我们社会中的很大一部分人,有这样的观点,就是,出去赚钱没什么不好的,因为赚到钱意味着,为经济作了贡献,并且最终将有益于社会

耶鲁公开课 - 金融市场课程节选