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.
對個人所得稅的減免造成了財政過分依賴於飄忽不定的新屋增值稅，資本利得稅，和印花稅。
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.
前任保守政府在減稅和其他迎郃選民的擧措上揮霍錢財，因而大受批評。人們期待同樣的悲劇不要再重新上縯。
Worse still, the distribution of monthly profits was negatively skewed: big losses were more likely to occur than windfall gains.
壞消息是月利潤的分配被扭曲了：巨額損失比額外收入更容易發生。

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