closed shop
noun
1- a place of work where all employees must belong to an agreed trade union只雇佣某一工会会员的工作场所。比较UNION SHOP.
1.1
- in sing. a system whereby such an arrangement applies惟工会会员雇佣制：
the outlawing of the closed shop.
惟工会会员雇佣制的非法化。
1.2
- an area of activity that is restricted to a particular small group（只限于一小群人的）专业活动领域：
it's a very closed shop, the pharmaceutical world.
这个非常专业的领域, 也就是医药界。