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1集 第1集》

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  and what the world chooses to eat,
  全球的人选择吃什么
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  which has enormous impact on the public's health,
  对公众的健康和全球的政治
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  and even on world politics.
  都有着的重大影响
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  With the recent spike in food prices around the world
  大家都听说了 由于能源价格上升
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  that you've all heard of because of rising energy costs.
  导致了全球食品价格的飞涨
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  The corn to ethanol conversion in the United States,
  在美国 很多类似于玉米制乙醇的技术
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  and other things like that
  正以有趣的方式
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  has really changed the world landscape in a lot of interesting ways.
  改变着我们的世界
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  It's helped some countries
  这让某些国家获利
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  and hurt other countries,
  但却损害了另外一些国家的利益
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  but it certainly has changed the food landscape.
  但这显然改变了食品所能涉及的范畴
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  So those are very important political factors,
  所以它就成了非常重要的政治因素