N-VAR
壟斷;專營服務
If a company, person, or state has a monopoly on something such as an industry, they have complete control over it, so that it is impossible for others to become involved in it.
例句
...Russian moves to end a state monopoly on land ownership.
俄國人采取的終止國家壟斷土地所有權的措施
...the governing party's monopoly over the media.
執政黨對媒體的壟斷