来自《耶鲁大学开放课程：生物医学工程探索 第10集 第10集》

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  You have to enforce the law
  你必须执行法律
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  and all the costs that goes along with that.
  然后一系列花费便会随之而来
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  In terms of lives saved by that measure,
  通过这种方法来挽救生命 估算下来
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  it's estimated that it cost about $69 per life saved,
  挽救每个生命的花费大概是六十九美元
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  so that's a reasonable cost to spend.
  这是项合理的花费
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  For something like Measles, Mumps, and Rubella immunization
  类似麻-腮-风三联免疫的花费
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  which costs what I showed you before,
  和我之前提到的一样
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  you can save so many lives that way
  实际上 与所挽救的生命价值相比
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  that the cost of distributing
  疫苗制造和分发的成本
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  and producing the vaccine is actually
  实在是微不足道
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  less than the value of the lives that are saved.
  不足以相提并论
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  So, it saves money,
  因此 生产疫苗实际是在省钱