短语词组短語lower tax bracket 低稅率等級income tax bracket detail 所得稅等級income tax bracket [稅收]所得稅等級high tax bracket 高稅級bracket Tax 中档所得稅率Bottom -bracket Tax 低档所得稅率Top -bracket Tax 高档所得稅率Middle -bracket Tax 中档所得稅率 返回 tax bracket