It says that you have to keep deposits with us here at the central bank; either that or else keep vault cash and show that you have it as reserves for your deposits.

它声明你必须在中央银行这里,付保证金；,要不那样做，要不就在金库中存钱,并且表明你把它作为,存款中的储备金。

耶鲁公开课 - 金融市场课程节选