duopoly /djʊˈɒpəlɪ/

• 1. 

  N-VAR If two companies or people have a duopoly on something such as an industry, they share complete control over it and it is impossible for others to become involved in it. 两强霸权 [商业]

  例：

  ...they are no longer part of a duopoly on overseas routes.

  …他们不再是控制海外通道的两强霸权的一部分。

• 2. 

  N-COUNT A duopoly is a group of two companies which are the only ones which provide a particular product or service, and which therefore have complete control over an industry. 两家寡头集团 [商业]

  例：

  Their smaller rival is battling to end their duopoly.

  比他们小的竞争对手正在为结束他们两家寡头集团而斗争。