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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  and this seems to be happening in many parts of the world.
  而且看起来世界各地都大相径庭
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  If it were confined to a certain part of the world,
  如果它只是局限在世界的某些地方
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  you might say it's just variation, just random things going on,
  你可能会认为它的变化是随机事件引起的
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  but it seems to be happening in a lot of parts of the world.
  但似乎这一现象发生在世界很多地区
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  If you look at Australia, for example,
  请看澳大利亚的例子
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  this is the world--how much cereal stocks have--exist in
  这是该国在2006年 2007年
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  that particular country 2006, 2007, and 2008.
  和2008年的谷物库存量
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  You can see the numbers have gone down.
  你们可以看到数字在下降
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  The numbers have similarly gone down in their European union,
  这种情况同样发生在欧盟
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  and they've gone down in the United States as well.
  当然这一趋势在美国也在上演
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  So there's significant concern about the weather
  所以关注气候和全球变暖问题
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  and about global warming in this.
  是很有必要的