短語詞組短語income tax bracket detail 所得稅等級income tax bracket [稅收]所得稅等級low -income bracket [勞經(jīng)]低額收入等級Higher income bracket 高額收入等級the lowest income bracket 收入最低的檔次high income bracket 高收入等級;高收入堦層middle -income bracket 中等收入堦層fixed -income bracket 固定收入堦層 返回 income bracket