来自《耶鲁大学开放课程：金融市场 第16集 第16集》

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  It emerged into an institution in which banks
  它们逐渐发展成为银行机构
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  would have notes--bank notes that circulated widely
  它们发行银行票据 并得以广泛流通
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  and we began to think of them as money.
  我们开始将其当做货币
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  If you put your gold in the care of a goldsmith,
  如果你将黄金交由金匠保存
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  initially you don't think--you think the money is there.
  最初你不认为...你认为你的钱在他那
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  But eventually, you have this bearer note that
  但最终 你持有这种不记名票据
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  you start passing around to spend to other people
  你可以将票据分发支付给他人
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  and they start to think of them as money
  而他人也开始把这些票据当做货币
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  and that's the origin of banking.
  这就是银行业的起源
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  If you ask someone a couple hundred years ago,
  如果你问一对一百年前的夫妇
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  what's the essence of a bank? They would say,
  银行的本质是什么 他们会说
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  oh they print paper money--private banks print paper money,
  银行印纸币 私人银行印纸币