来自《耶鲁大学开放课程：心理学导论 第6集 第6集》

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  we also know that language is learnt
  我们还知道 语言是在没有
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  without any sort of feedback or training.
  任何反馈或训练的情况下习得的
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  There are many Americans who believe that
  有很多美国人都认为
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  they need to teach their children language.
  孩子们的语言需要他们去教授
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  And there's a huge industry
  设计来教授儿童语言的
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  with DVDs and flash cards and all sorts of things
  DVD和闪存卡以及其他存储
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  designed to teach your children language.
  形成了一个庞大的产业
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  And I think many parents believe that
  我相信很多父母认为
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  if they didn't persist in using these things
  如果他们不坚持使用这些东西
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  their children would never learn to speak.
  他们的孩子将永远也学不会说话
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  But we know that that's not true.
  但是我们知道 事实并非如此
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  We know that this isn't true
  我们知道这种想法是错误的