来自《耶鲁大学开放课程：环境政治与法律 第1集 第1集》

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  how do you determine what is acceptable?
  怎么看可否接受呢
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  If you look across the laws, the different statutes
  不同的法规
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  have very different definitions of what acceptable risk is.
  对可接受风险的定义不同
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  We'll also think a lot about the idea of precautionary law,
  我们还要好好思考
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  as opposed to utilitarian law.
  预防法和相对的功利法
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  So law that builds in safety margins or buffer zones
  法律应该建立在安全区或缓冲区
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  to protect against miscalculations of risk.
  以防风险误算
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  We did not do that when we built nuclear power plants,
  我们建核电站时没那么做
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  and we've had several severe accidents in the world,
  以致世界范围内发生了几起严重事故
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  most notably Chernobyl that we'll take a look at
  我们会看下最著名的切尔诺贝利事件
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  when we look at the nuclear power plant case.
  当我们看核电站案件时
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  So that thinking about when should the government be allowed
  那政府何时能