windfall gain

基本解释

Cuts in income tax left public finances too dependent on windfall revenues from VAT on new homes, capital-gains tax and stamp duty.
对个人所得税的减免造成了财政过分依赖于飘忽不定的新屋增值税，资本利得税，和印花税。
The hope is also to avoid the criticism now raining down on the former conservative government that it squandered its windfall gains on tax cuts and other goodies.
前任保守政府在减税和其他迎合选民的举措上挥霍钱财，因而大受批评。人们期待同样的悲剧不要再重新上演。
Worse still, the distribution of monthly profits was negatively skewed: big losses were more likely to occur than windfall gains.
坏消息是月利润的分配被扭曲了：巨额损失比额外收入更容易发生。

She clears them of hoarding land in the hope of windfall gains when house prices rise.
ECONOMIST: No he can't
There are usually windfall gains, rife with local favoritism, in the startup.
FORBES: Law of This Sea
After all, its justification for the tax is largely spurious—a better case exists for taxing the windfall gains on free shares in building societies than on privatised firms that have boosted efficiency.
ECONOMIST: Taxation