Odious debt is not repayable.

恶债不予偿还。

《新英汉大辞典》

Although the debt is huge, it is at bargain-basement interest rates and repayable over decades.

虽说债务庞大，但是其利率已经低得不能再低了，而且能够在数十年间偿付。

youdao

Although the debt is huge, it is at bargain-basement interest rates and repayable over decades.

虽说债务庞大，但是其利率已经低得不能再低了，而且能够在数十年间偿付。

youdao