来自《耶鲁大学开放课程：心理学导论 第18集》

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  and boys' rates stay the same or go down. And by the time they're eighteen
  男孩子的抑郁率基本不变或者有点下降 到十八岁
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  or twenty you get almost a two-to-one ratio of depressed girls to depressed boys
  或者二十岁 女孩的抑郁率基本上是男孩的两倍
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  And then this is true for the rest of the adult age span.
  在之后的成人年龄段里都保持这个数据
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  There are lots of hypotheses about this, why it's true.
  对此我们有很多假设
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  There are biological hypotheses that have to do with hormones.
  生物学的假设是说这与荷尔蒙有关
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  There are sociological hypotheses that have to do
  社会学的假设是说这和压力有关
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  with the kinds of stress, and particularly abuse,
  尤其是女孩子受到的虐待
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  in girls' lives relative to boys'. We don't know exactly why.
  相比较男孩而言会更多 我们不确定究竟是为什么
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  It's probably a lot of these things coming together
  很可能是各种因素综合在一起
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  that make this huge two-to-one ratio true.
  造成了这个二比一的结果
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  So, let's talk a little bit about the major theories
  我们来讨论一下情感障碍的主要理论
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  and treatments for the mood disorders.
  和治疗方法