基本解釋[經(jīng)濟(jì)學(xué)]以百分率計全面降低（關(guān)稅）以百分率計的全面降低專業(yè)釋義經(jīng)濟(jì)學(xué)以百分率計全面降低（關(guān)稅）以百分率計的全面降低