bank debenture的用法和樣例：
例句
- He failed to identify toxic mortgage securities as a big problem in the bank's own portfolio.
他沒(méi)有能夠辨別出有毒的房地產(chǎn)質(zhì)押在自己的銀行債券中是個(gè)大問(wèn)題。 - Since bank bonds are a quarter of US investment-grade corporate bonds, the risk of panic is real.
由于銀行債券占美國投資級別公司債的四分之一，恐慌的風(fēng)險真實(shí)存在。
