来自《耶鲁大学开放课程：资本主义：成功、危机与改革 第3集 第3集》

• 
  
  there are two little markets in New Haven.
  纽黑文有两个小市场
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  If it were just one,
  如果只有一个的话
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  thirty-six hour old lettuce would be marketable.
  哪怕隔夜的老莴苣都卖得出去
• 
  
  But with two, one of whom drives to New York
  但如果有两个市场 其中一个每天凌晨三点
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  every morning at 3:00, that just doesn't work.
  驱车去纽约进货 那老莴苣就卖不出去
• 
  
  So that Smith talks about the self-interest axiom
  所以斯密将私利原理
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  as the driver for promoting the common good.
  比作推动公益进程的驱动力
• 
  
  Now I'm going to invite Jim Alexander
  下面我要邀请
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  to come on up and we'll just stand and--
  吉姆·亚历山大上台
• 
  
  let's actually sit and talk.
  我们坐下讨论吧
• 
  
  Some of you have been introduced to Jim Alexander,
  我已向部分人介绍了吉姆·亚历山大
• 
  
  and for others, I'll introduce him now.
  现在给没听到的人再介绍一遍