片语
provide preferential treatment提供优惠待遇
preferential tariff treatment&nbs关税优惠
preferential taxation treatment优税待遇
preferential tax treatment税收优惠
privilege给予…特权;特免
preferential l treatment优惠待遇
preferential income treatment收入倾斜
preferential tariff treatment关税优惠
special preferential treatment特别优惠待遇
give preferential treatment优待