不能偿还的债券

【经】 irredeemable debenture

不能的英语翻译：

be incapable of; cannot; unable
【机】 incapability

偿还的英语翻译：

compensate; redeem; refund; imburse; pay; recoup; reimburse; repay
【经】 deduct from; recoup; recoupment; redemption; refund; refundment
reimburse; repay; repayment; restitute; satisfaction

债券的英语翻译：

bond
【经】 bond; bond certificate; debenture; debenture certificate
debt obligations; evidence of debt; loan stock; redemption of bonds
t-bond