来自《耶鲁大学开放课程：金融市场 第22集 第22集》

• 
  
  They weren't brown.
  本来的颜色不是褐色
• 
  
  This tape is about a half-century old.
  放了50年成了这个样子
• 
  
  It came from the attic of the New York Stock Exchange.
  原来收藏在纽交所的阁楼里
• 
  
  When I was at a conference there a year ago,
  一年前 我在参加会议时
• 
  
  I mentioned to the vice president there
  曾向那里的副总裁提过
• 
  
  that I had told my class about ticker tape machines
  我对我的学生说到过自动收报机
• 
  
  and they had never heard of them--didn't know what they were;
  可他们从没听说过 也不知道长什么样
• 
  
  well, at least some of them hadn't.
  至少有部分学生不知道
• 
  
  So, he sent me this. This was never used,
  于是 他把这个寄给了我 从未使用过
• 
  
  but normally it would go into a machine
  一般情况下 把磁带放入机器
• 
  
  and it would print out stock prices at trades.
  随交易进行 上面便会印出股价来
• 
  
  I was giving a talk yesterday at the New York Stock Exchange
  昨天我在纽交所演讲时