A discriminatory tax; preferential tariff rates; preferential treatment; a preferential shop gives priority or advantage to union members in hiring or promoting. 优惠税;优惠税率;优惠待遇;一家对工会成员在雇用和提升上给予优先权或好处的优惠商店。
Discriminatory measures, policies, actions, tariffs non-income base for tax discrimination 不公平的措施、厚此薄彼的政策、歧视性的行为、差别关税纳税差别的非收入基准