treasury securities造句

1、Treasury securities cannot be redeemed before maturity and do not have call provisions.
国债在到期之前并不能被赎回，也没有赎回条款。

2、Treasury securities are used as collateral for such borrowing.
国库券则被用做借贷的抵押品。

3、That is what gave the dollar and Treasury securities the lift they now enjoy.
这就是拉高美元和国债的原因。