One form of monetary policy that the Fed does is they can change these reserve requirements.

美联储制定的一种货币政策形式是,他们可以改变法定准备金率。

耶鲁公开课 - 金融市场课程节选

What they want to do is expand the actions of the Fed, so that they're not--you can describe the Federal Reserve or any central bank, traditionally, as a banker's bank the Bank of England was the first central bank and it made banks keep deposits at the Bank of England.

他们想做的是扩大政府对经济的调控范围，这样政府就能将联邦储蓄,或者其他中央银行变成银行的银行,英国银行是第一个中央银行,他使其他银行将钱存放在它这里。

耶鲁公开课 - 金融市场课程节选