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23集 第23集》

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  you start finding groups that are interested,
  你会发现不同群体的关注点不同
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  scholars who are interested in it,
  学者们关注为何
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  and governments that are interested in it.
  政府关注的又为哪一方面
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  They basically fall into three categories.
  基本上可分为三类
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  So we've talked, during the class, about health reasons,
  课堂上我们已经讲过 有健康因素
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  the impetus for changing things from a health point of view
  从健康角度看 事物改变的动因
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  and you see some of them listed over there:
  我们可以看到这里列有
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  healthcare costs, obesity, hunger, and the like.
  保健费用 肥胖 饥饿程度等等
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  Then there's a group of people around the world
  世界上有一群人
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  who care deeply about changing the food environment for these reasons.
  因这些原因密切关注食品环境的变化情况
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  There are also of course environmental reasons
  当然还有环境原因
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  that we've talked about during class
  这个我们在课上也有讲过