基本解釋[經(jīng)濟學]關稅減讓率關稅優(yōu)惠率詞組短語短語tariff compensatory concession rate [稅收]補償性關稅優(yōu)惠稅率;補償性關稅優(yōu)惠率tariff f concession rate 關稅優(yōu)惠率tariff concession rate更多詞組專業(yè)釋義經(jīng)濟學關稅減讓率關稅優(yōu)惠率