Moreover, it is a thing, although there does not necessarily have to pay return.

更何况是一件事情，虽然说有付出不一定有回报。

youdao

After only know how to love, do not necessarily have to pay return, even can not be recovered.

爱过以后才懂得，付出不一定有回报，甚至都不能收回。

youdao

In return, participants get technical support and have about 18 months to pay the loan off.

作为回报，项目的参与者将得到技术支持，在未来的18个月内偿清贷款。

youdao

Even if you know you have no tax to pay, you have to complete and send back the tax return.

BBC: Self assessment basics

To simply not actually have enough money to pay the interest due or return the principal as a bond matures.

FORBES: Moody's Downgrades UK's AAA Rating: Not Much Happens

If the Cleveland programme is ruled unconstitutional, the pupils concerned will have to pay their own tuition costs or return to the public schools.

ECONOMIST: Lessons Cleveland can teach