来自《耶鲁大学开放课程：有关食物的心理学、生物学和政治学 第19集 第19集》

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  and the cost is less than a dollar again,
  而且添加这个设备用不了一美元
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  and it exists on a very small percentage of guns,
  却很少有手枪有这个装备
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  but it's technologically feasible.
  但这确实是技术上可行的
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  It doesn't exist on most handguns,
  大多数的手枪都没有这个设备
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  and it doesn't exist on most handguns
  大多数的手枪手都没有这个设备
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  because we don't regulate them as to their design.
  因为我们没有规定手枪上必须有这个
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  We don't look all the way back here at the point of manufacture
  我们没有回过头去 就生产的角度
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  for formulating our policy,
  构想我们的政策
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  even though that would be the most effective kind of policy.
  尽管这会是最有效的政策
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  So what, if anything, does this teach you about food?
  那么这些对研究食品有什么启示呢
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  I'm not sure that I know the answer
  我不能说我有答案
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  and I won't know the answer
  我也不太确定