windfall profit

基本解释

If the market offers you a windfall profit on a trade, lock it in!
如果市場給了你意料之外的暴利，鎖定它！
The trader may have just gotten lucky and experienced a profit windfall .
交易者也許在幸運和經騐的庇祐下獲得了非凡的收益。
My friend didn't care because every sale that they generated was pure windfall profit for my friend - and, of course, my friend also got 100%, of the back end.
我的朋友也不介意，因爲他們爲他創造的全是額外收入，儅然我的朋友獲得了後耑的100%。

Then in 1980 President Carter and Congress enacted the Crude Oil Windfall Profit Tax.
FORBES: Idiot Politicians Propose Regulating Oil Companies With 'Reasonable Profits Board'
But to allow teams to abandon areas which have loyally supported them so an owner can make a windfall profit is another matter.
FORBES: Suffer the Children: Franchise Moves Are Destructive
In 1979, President Carter succeeded in convincing Congress to pass the incredibly wrong-headed Windfall Profit Tax, possibly the worst energy-related policy decision in American history.
FORBES: Bad Energy Policy And Its Effects In The Oil And Gas World