(~s)
If a factory, shop, or other business is a ~, the employees must be members of a particular trade union. (BUSINESS)
...the trade union which they are required to join under the ~ agreement.
N-COUNT
(~s)
If a factory, shop, or other business is a ~, the employees must be members of a particular trade union. (BUSINESS)
...the trade union which they are required to join under the ~ agreement.
N-COUNT
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012