来自《耶鲁大学开放课程：博弈论 第5集 第5集》

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  can act this way by being a network good.
  可能会带来循环效应
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  The more people who use Microsoft and Microsoft programs,
  越多的人使用微软的软件产品
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  the bigger the advantage to me using Microsoft,
  我使用微软产品的优势就更明显
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  and therefore--because I can exchange programs,
  我可以安装不同的程序
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  I can exchange files if I'm working with my co-authors and so on,
  我可以跟合伙人交换文档
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  so you can have different equilibria coordinating on different software,
  可以协调达成使用不同软件的各种均衡
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  and again, you could end up at the wrong one.
  当然你也可能达成了较劣的均衡
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  I think a lot of people would argue, but I'm going to stay neutral on this,
  很多人对此颇有微词 但我保持中立
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  a lot of people would argue that
  很多人都认为
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  Microsoft wasn't necessarily the best place for the world to end up.
  微软的产品不是最好的选择
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  There are other technological network goods like this.
  这样的连带产品多得很
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  These are called network externalities.
  这些都属于连带外部效应