来自《耶鲁大学开放课程：现代社会理论基础 第22集 第22集》

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  There are law books and legal practices and minutes of
  因为不仅有法律书籍和法律事件
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  recordings how the courts operated,
  有大段法庭运作的记录可供研究
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  and how law was made and implemented,
  还有有关法律是如何制定和运作的记录
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  which can be studied with a great level of rigor.
  所有这些都可以用于最严谨的研究
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  For instance, it's very easy to study whether
  比如 要研究契约法是否真的是一种
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  indeed contractual law is a new form of law.
  法律新形式 就相当容易
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  You can go back to legal history and to establish exactly
  你可以去追溯法律的历史
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  when contractual law emerged.
  证实契约法出现的确切时间
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  This was actually also very much on the mind of the young Weber
  这就是韦伯年轻时想要做的
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  when he was also looking at
  他读法学博士的时候
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  basically the emergence of contractual law in late medieval
  基本就在研究中世纪末
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  Italy, in his Ph.D. for the law degree.
  契约法是如何在意大利出现的