complex monopoly造句

After finding the Big Four enjoyed a " complex monopoly " in the provision of small and medium-size banking services, the commission submitted its findings to the government in October.
Leading car manufacturers have benefited from a " complex monopoly situation, " which has contributed to higher prices and runs against the public interest, the Competition Commission said in a long-awaited study released earlier in the day.
It's difficult to find complex monopoly in a sentence. 用complex monopoly造句挺难的