来自《耶鲁大学开放课程：金融理论 第6集 第6集》

• 
  
  but that might not be true.
  但是那是不应该成立的
• 
  
  Shouldn't you have some argument for the prices not
  你能否有证明价格在加入新技术后
• 
  
  changing after the inception of the technology?
  不会改变呢
• 
  
  This is a very bold question,
  这是很勇敢的问题
• 
  
  telling me that it's a flawed proof.
  告诉我这是有缺陷的证明
• 
  
  I want to commend you for your courage.
  我要赞扬你的勇气
• 
  
  As it happens, however, you've asked the same
  刚好你问了一个之前
• 
  
  question that somebody asked a class or two--which is a very
  也有人问过的
• 
  
  good question.
  好问题
• 
  
  So the answer is no, I shouldn't have changed the
  答案是否定的 我不需要改变价格
• 
  
  prices and that's exactly the point of the proof.
  那正是证明的关键点
• 
  
  So, yes it's true that after the new technology is introduced
  没错 在新技术引入后