来自《耶鲁大学开放课程：资本主义：成功、危机与改革 第7集 第7集》

• 
  
  this market and into this market? Yeah.
  从这个市场转移到这个市场呢 你来
• 
  
  Cardiologists would be the ones who refer you to surgery,
  建议你做手术的人是心内科医生
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  and if they are the ones who perform the procedure,
  如果他们自己就能实施手术
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  they then benefit being able to perform the procedure themselves,
  便可从中获利
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  so they have a quasi-monopoly over the market in some sense.
  可以说 他们在市场上拥有准垄断地位
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  So some people call this the "Gatekeeper problem."
  有些人把这叫做"看门人问题"
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  It turns out in this particular market
  在这个特殊市场中
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  I've got a gatekeeper problem, which is my big competition,
  就存在着看门人 即我的竞争对手
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  are the ones that are going to basically handle this themselves,
  他们能够自己实施手术
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  and their tendency to then say,
  他们也不太可能说
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  "You know, you've got two vessels,
  "你只是两条血管的问题
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  I could deal with it,
  我能处理