The Federal Funds Rate is an overnight lending rate between banks.

联邦资金利率是,银行之前的一夜的借款比率。

耶鲁公开课 - 金融市场课程节选

They were lending to banks that were in trouble and the--so we'll give them a good rate; that's what they used to do.

他们向处于困境的银行贷款,并且-所以，我们要给他们一个好的比率；,这就是他们过去经常做的。

耶鲁公开课 - 金融市场课程节选