closed shop
noun [ C usually singular ] uk/ˌkləʊzd ˈʃɒp/ us/ˌkloʊzd ˈʃɑːp/
只雇佣工会会员的企业（或工厂）
a place of work where you have to belong to a particular trade union (= organization of workers)
江苏热线英汉汉英双解词典包含207361条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。