通过发行分期还本债券，公司把本金的偿还期限分开，避免了一次支付全部本金。

By issuing serial bonds, the company spreads its principal payments over time and avoids paying the entire principal at one time.

youdao

一次发行的所有债券都在一个特定日期到期的债券叫定期债券；在一段时期内分批到期的债券叫做分期还本债券。

All the bonds in a particular issue may mature at a specified time (term bonds), or they may mature in installments over a period of time (serial bonds).

youdao

一次发行的所有债券都在一个特定日期到期的债券叫定期债券；在一段时期内分批到期的债券叫做分期还本债券。

All the bonds in a particular issue may mature at a specified time (term bonds), or they may mature in installments over a period of time (serial bonds).

youdao