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2集 第2集》

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  it shows you by the arrows where you go,
  沿着箭头指示
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  you stop at window one to make your order and pay,
  直到第一个窗口停下 点单 付账
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  and then you go to window two to collect your food,
  再开到第二个窗口领取食物
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  and they're open twenty-four hours.
  他们是二十四小时营业的
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  Again, it shows how much things have changed during that period of time.
  这显示了那期间 事情发生了多大变化
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  Even if you're a moose you can get fast food.
  哪怕你是一只驼鹿 都可以买到快餐
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  Here's another example of that.
  这儿还有个例子
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  Back to this graphic again:
  再回到这张图
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  unpredictable food supply occurred on the left
  对左边的人而言 食物供给难以预计
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  but doesn't occur on the right.
  而右边却并非如此
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  Starvation was a major threat on the left but not on the right,
  饥荒是左边主要的威胁 但不是右边的
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  and the top priority on the left was to bank energy.
  左边的首要任务就是储存粮食