The most common type of bond is the straight or plain vanilla bond.

最常见的债券是直接债券或普通债券。

Prior to the early 1980s, the bond market was comprised mainly of 'plain vanilla' bonds with simple cashflow structures, where coupon payments and maturity were fixed at the outset.

在80年代以前，债券一般上都相当简单，即包括不太复杂的现金流动结构，票面利率和到期日在发行时已定下。