A corporation can buy back its bonds by paying investors the face value (plus a sweetener).

公司可通过支付投资人债券票面价值（外加甜头）来买回自己的债券。

《柯林斯英汉双解大词典》

We had agreed to buy back anything we didn't sell, but we were dealing with huge numbers.

我们已经同意买回我们没有卖出去的东西，但我们要面对的是巨大的数额。

youdao

Buy back shares?

买回股票？

youdao

The investors want the bank to buy back any improperly processed loans included in those securities.

VOA: special.2010.10.22

Before you go, that's Barry Nalebuff at the back, he has copies of the book, it's a great book, go buy it from him.

巴里·纳莱巴夫就坐在教室后面,他手里有需要教材,是一本不错的教材,你们走之前去他那里买一本吧

耶鲁公开课 - 博弈论课程节选

Anyway, the government might buy them back too, so who cares if it isn't forever.

无论如何,也许政府会重新将公债买回来,谁在乎它到底是不是永久的呢

耶鲁公开课 - 金融市场课程节选

Public companies have every incentive in the world to buy back their own shares.

FORBES: What Is Your 2008 IRA Strategy?

It says the money will be used to reduce debt, finance investments, and buy back shares.

ECONOMIST: Why Anglo American is selling some of its parts

This tax provisions denies you a write-off on a security you buy back immediately.

FORBES: Should You Take A Tax Loss In December?