lump sum tax

例句：

1. 1. The government isconsidering a lump-sum tax on allincome above a certain amount.
   政府正在考虑对超过一定金额的收入征收一次性总和税。
2. 2. The lump-sum tax couldhelp reduce the overall tax burden on theeconomy.
   一次性总和税可能会帮助减轻经济的总体税收负担。
3. 3. The lump-sumtax was a controversial measure that some peopleopposed.
   一次性总和税是一项有争议的措施，有些人反对。