windfall profit

基本解释

If the market offers you a windfall profit on a trade, lock it in!
如果市场给了你意料之外的暴利，锁定它！
The trader may have just gotten lucky and experienced a profit windfall .
交易者也许在幸运和经验的庇佑下获得了非凡的收益。
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，因为他们为他创造的全是额外收入，当然我的朋友获得了后端的100%。

Then in 1980 President Carter and Congress enacted the Crude Oil Windfall Profit Tax.
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But to allow teams to abandon areas which have loyally supported them so an owner can make a windfall profit is another matter.
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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.
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