1. (通常由公司或政府部门发行的）债券
A debenture is a type of savings bond which offers a fixed rate of interest over a long period. Debentures are usually issued by a company or a government agency.

1. a certificate or voucher acknowledging a debt

2. the ability of a customer to obtain goods or services before payment, based on the trust that payment will be made in the future

Synonym: unsecured bonddebenture bond