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

Then later on,whenever you want, you can take your money out Meanwhile, they invest the deposits some way or another at a higher interest rate than they pay on the deposits and they make the difference and that's how they make a profit.

然后你什么时候需要你就可以把钱取出来,同时储蓄机构以比给你的利息,更高的利息储蓄,或者投资，这就出现了差价,这就是储蓄机构盈利的方法。

耶鲁公开课 - 金融市场课程节选