windfall /ˈwɪndˌfɔːl/ TEM8

• 1. 

  N-COUNT A windfall is a sum of money that you receive unexpectedly or by luck, for example, if you win a lottery. 意外之财

  例：

  ...the man who received a $250,000 windfall after a banking error.

  ...因银行失误得到25万美元意外之财的那位男子。

  例：

  ...windfall profits.

  …意外横利。