But if it fails, then there is no guarantee of repayment.

但是，如果失败了，那么，将不会有任何有保证的回报。

youdao

Is there anyone to guarantee repayment of the loan?

有没有人担保贷款的归还？

youdao

Due to the Treasury of the debtor is country, its repayment guarantee is the national fiscal revenue, so it is almost no credit default risk, financial market risk minimum credit instruments.

因国库券的债务人是国家，其还款保证是国家财政收入，所以它几乎不存在信用违约风险，是金融市场风险最小的信用工具。

youdao

But if it fails,then there is no guarantee of repayment.

VOA: special.2009.12.11

Roosevelt said the United States would guarantee repayment of loans made to Latin American countries.

VOA: special.2010.08.26