寡头政治的

例句：

1. 1.The monopoly on oil prices has been a major source of wealth for the few big companies.
   石油价格的垄断一直是少数大公司的主要财富来源。
2. 2. The government tried to break up the monopoly and open up new markets.
   政府试图打破垄断，开放新的市场。
3. 3. The oligopoly in the software industry is highly competitive but also subject to intense scrutiny.
   软件行业的寡头垄断非常竞争激烈，但也受到严格的审查。