the part of something that is left after the other parts have gone, been used, or been taken away

I ate most of it and gave the remainder to the dog. 我吃了一大半，剩下的喂狗了。

It rained the first day but the remainder of the trip was fine. 旅行中第一天下了雨，不过其余的日子天气都很好。

in mathematics, the amount that is left when one number cannot be exactly divided by another

9 divided by 4 is 2, remainder 1. 9除以4商2余1。

to sell a book cheaply because it has not sold well and no more copies of it will be produced

His autobiography never sold very well and was soon remaindered. 他的自传一直卖得不太好，过了不久就被削价处理了。