surplus
单词辨析：
泛指从整体取走或用掉部分后的剩余部分，通常与定冠词 the 连用；也指除法运算中的余数。
She spent the remainder of her retirement growing flowers.
她退休余下的时间都在养花中度过。
When will the remainder be paid off?
何时支付剩余款项？
Twenty-eight divided by nine gives you a remainder of 1.
28除以9余数为1。
指某物得以保留且未被破坏的部分。
She threw away the remains of her supper.
她把晚饭的剩菜扔掉了。
Several Roman remains have been well protected.
几处古罗马遗迹得到了很好的保护。
普通用词，通常与定冠词 the 连用。
Each of us can only carry two bags. What about the rest?
我们两人每人只能拿两个包，剩下的怎么办？
Three of the bank robbers were arrested, and the rest escaped.
3名银行劫匪被捕，其余的逃走了。
You can bring the rest of this watermelon to your dormitory.
你可以把剩下的西瓜带回宿舍。
He wished that he could spend the rest of his life in a quiet village.
他希望他能在一个安静的村庄里度过余生。
指超出需求的过剩数量。
What causes the surplus of crude oil?
是什么造成了原油过剩？
What can we do with the surplus trimmed away?
被剪掉的多余部分可以做什么用？
相关例句：
After 10 minutes the surplus material is washed away and any remaining deposit examined with ultra violet light.
10分钟后剩余的物质被冲洗掉，任何残留的沉淀物则会用紫外线进行检测。
The invisible trade surplus was £ 200 million lower than reported.
无形贸易盈余比报道所称的少2亿英镑。
Few people have large sums of surplus cash
几乎没人手头很富裕。
As ordinary laborers, we can hardly tell necessary labor from surplus labor.
作为普通劳动者，我们自己很难区分必要劳动和剩余劳动。
There is a vicious circle going on& prosperity, surplus, depression.
繁荣过剩萧条，一个恶性循环正在进行。
It produces more than it needs, then dumps its surplus onto the world market.
当产量超过需求时，过剩的产品便倾销到世界市场。