What does it mean that bank reserves can be borrowed or borrowed at any time?

The borrowed money can be repaid at any time. Bank reserves can be borrowed and repaid at any time, which refers to the reserve funds applied by users at the bank, which can be repaid at any point in time, and the part that has been repaid can continue to be recycled. This method provides users with great convenience, which can meet their financial needs at any time, and can also repay at any time, reducing users' financial pressure.