也可理解为贴现发行，投资人的利润来源为债券面值与发行价的差额。

The profit of the investors is the difference between the issue and redemption prices.

youdao

也可理解为贴现发行，投资人的利润来源为债券面值与发行价的差额。

The profit of the investors is the difference between the issue and redemption prices.

youdao