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11集 第11集》

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  Again, if you look at the way Singer has written about it,
  如果注意一下辛格对这些的叙述方式
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  it goes back way in human history,
  你会发现他追古溯今
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  it has philosophical, social, historical roots.
  具有哲学 社会学和历史基础
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  So it's complicated ground.
  可以说是有理有据
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  There's no question about it.
  这一点毫无问题
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  For many years, nobody wanted to tread the complicated ground
  很多年来 没有人愿意涉足这个话题
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  or people weren't even thinking about
  甚至是想都不愿想
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  the fact that there was complicated ground,
  这个事实
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  now at least people are focusing on it to some extent.
  现在至少有人从某种程度上开始关注它了
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  Books like Fast Food Nation
  像《快餐国》这种
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  which talks about how animals are raised
  为刺激快餐产业
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  in order to fuel the fast food industry
  而描述动物养殖方式的书