这些国债可以在任何时候卖给欧洲央行，换取等额现金；但是，只要它们的收益率高于欧洲央行存款，银行持有国债就是有利可图的。
The T-bills could be sold to the ECB at any time, making them tantamount to cash; but, as long as they yield more than deposits with the ECB, the banks would find it advantageous to hold them.