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。
They're boycotting the shop because the people who work there aren't allowed to join a union. 他们抵制那家商店,因为店员没有获准加入工会。
One fierce battle was over the principle of the "open shop," the right of a worker not to be forced to join a union. 在“开放企业制”原则,也就是工人有权不勉强加入工会的问题上展开了一场激烈的斗争。
He became a prominent shop steward in the engineering union. 他成为机械工会中一名出色的工会管事。