Generally it has been inflationary after 1933; central banks have generally gradually allowed prices to rise.

大体上在1933年之后，一直处于通货膨胀时期；,中央银行大都,渐渐将价格抬高。

耶鲁公开课 - 金融市场课程节选

This is something that I believe in -not everyone believes in this -but the general principle has been now -ever since the 1930s -that the general public is not allowed to invest in things that are not properly documented.

我信任这些条例...,然而并非所有人都信任...,自30年代以来...,普遍的原则就是...,大众不得投资那些,未经过审核的投资事务

耶鲁公开课 - 金融市场课程节选