It's the most simple-- or often called a bill-- a discount bond does not pay interest; it's sold at a discount.

它是最简单的,经常被称为国库券,它是一种贴现债券,且不付息,并以折扣价发行

耶鲁公开课 - 金融市场课程节选

The U.S. Government is a big issuer of discount bonds and they're called Treasury bills.

美国政府是贴现债券的大发行商,这些被称为国库券

耶鲁公开课 - 金融市场课程节选

We refer to the bonds that they issue as municipal bonds.

地方政府发行的债券称为市政债券

耶鲁公开课 - 金融市场课程节选