来自《耶鲁大学开放课程：博弈论 第4集 第4集》

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  Let's wonder what the firm profit is given by.
  假设这个企业的利润是已知的
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  So this partnership, this law firm,
  这家合资公司 也就是律师事务所
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  its profit is given by the following expression:
  利润是按照下面的表达式计算的
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  4 times the effort of Player I,
  4乘以 参与人I的付出
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  plus the effort of Player II,
  加参与人II的付出
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  plus a parameter I'll call B, times the product of their efforts.
  再加参数B乘以二者付出的成绩
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  This is their profit. And I won't tell you what B is for now,
  这就是利润表达式 先不讨论B
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  but let's just.. I mean I won't tell you exactly what it is,
  我是说我们先不讨论B到底多大
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  but I'll explain it.
  我们照常计算
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  We'll assume that B lives between 0 and a 1/4 and it's known,
  假设B是0到1/4之间的已知量
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  I just want to be able to vary it later.
  我希望一会能改变一下这个数据
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  So what's the idea here?
  这个表达式说明了什么