So a windfall is something wonderful that happens unexpectedly.This special English program words and their stories was written by Jeri Watson.This is Phil Murray.

• 在熊市里，投资人答应在不久的将来按既定的价格抛售股票，但其实投资人是没有真正拥有股票的，他或她在等待价格下滑时再买进。