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15集 第15集》

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  but what it does is it changes the world market,
  但这样的做法改变了世界市场的格局
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  and it also removes food from some parts of the market
  它将食物从部分市场上移除
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  and makes it especially expensive in some parts of the world.
  并导致世界部分地区的粮价居高不下
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  So these trade restrictions are a player.
  所以贸易限制是一大因素
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  Next is the increased demand in Asia.
  下一个因素是亚洲的需求增长
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  And if you look at this -- what I've boxed in up here,
  请你关注这个我已经用框标出的部分
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  the per capita meat consumption in China went from 44 pounds in 1980
  中国人均肉类消费从1980年的44磅
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  to 110 pounds in 2008.
  增加到2008年的人均110磅
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  So the amount of meat being eaten per person has gone up.
  这意味着每个人吃掉的肉类总和在增加
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  The population is growing,
  人口不断增长
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  so that's a lot of demand for a different type of food than
  相比中国人以前的饮食结构
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  that population was accustomed to eating.
  如今肉类需求旺盛