restrictive practice
noun [ C ] business UK specialized uk/rɪˌstrɪk.tɪv ˈpræk.tɪs/ us/rɪˌstrɪk.tɪv ˈpræk.tɪs/
（对工人或雇主的）排他限制，限制竞争的行为
in industry or business, an action that limits the freedom of workers or employers
Management accused the union of restrictive practices. 资方指责工会实行排他限制。