That means you could go to a bank and demand gold and the bank then could go to the Federal Reserve and get gold for it.

这意味着你可以走进一家银行,索要金子，然后那家银行可以,去联邦储备银行得到这部分金子。

耶鲁公开课 - 金融市场课程节选

It started out that was as, what we call, fractional reserve.

这就出现了,所谓的,部分储备金制度

耶鲁公开课 - 金融市场课程节选