来自《耶鲁大学开放课程：金融理论 第5集 第5集》

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  What does she want to do?
  那么人B呢
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  She's patient.
  B更有耐心
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  She's going to spend half her income on both goods,
  她在每样东西上花费收入的一半
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  so half of her income which is [(1 P_2 times 1)
  一半的她的收入(1 P_2 * 1)
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  divided by 1], that's how many apples today
  除以1 得到苹果的数量
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  she wants and that's what we have to clear to clear the apple
  这个是在时间一上
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  market at time 1.
  苹果出清的方程
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  So does this make sense now?
  可以理解了吗
• 
  
  I'm looking at you in the front.
  这个前排的同学你理解了吗
• 
  
  Do you agree with this or is this confusing now?
  还有疑问吗
• 
  
  Do you follow this or is this confusing?
  大家呢
• 
  
  I can say it again if it's confusing.
  如果不清楚 我再讲一遍