duopoly [du:ˈɑ:ˈɒpəli]

例句:

• They are no longer part of a duopoly on overseas routes.
  他们不再是垄断海外航线的两强之一。
  
• Their smaller rival is battling to end their duopoly.
  规模更小的竞争对手正为结束他们的两强垄断局面而抗争着。
  
• Which of the following best describes duopoly? ( 2 marks )
  以下哪一项最好地描述了双头垄断? ( 2分 )
  
• Using politics as an example, its one of the reasons I unabashedly despise BOTH Parties and their duopoly on Power.
  来自SA
• Without a third party I don't see the duopoly as being a recipe for success going forward.
  来自WSJ
• If the commission rules this way, we end up with a duopoly in the ferry market.
  来自THETIMES