Yen explains, "and the public may wish to allocate more of its tax money to raising levees. The question becomes whether it is worth spending so much money to protect against a flood that will happen only once every 200 or 500 years, or whether some inevitable property damage should be accepted instead.
因此，將來民眾可能願意把所繳的稅，多一些用在加高堤防上；問題是，花那麼多錢來防範平均二百年或五百年來才會淹一次的大水，或堤防保護程度低些、洪水來時損失一點財物，那一邊較值得？