人们越来越清楚的认识到，性格和才智，至少部分是具有遗传性的。所以假设乐观与悲观的倾向在某种程度上通过基因传递着。
That personality, along with intelligence, is at least partly heritable is becoming increasingly clear; so, presumably, the tendency to be happy or miserable is, to some extent, passed on through DNA.
悲观的性格 .
虽然性格很难改变，精神疗法和感知行为疗法也许可以帮助那些发现自己具有极度悲观主义和影响日常社交的社交隐避症的人。
While personality can be tough to change, psychotherapy and cognitive behavioral therapy may help those who find that their extreme pessimism or social withdrawal affects their daily functioning.
多数患者其有明显的内向、孤僻的性格，他们往往比一般人更多愁善感、思虑过多、处世悲观。
Most patients have obvious introverted, withdrawn character, they more often than ordinary people more sentimental, thinking too much and philosophy of pessimism.
这一部分主要探讨了王国维忧郁悲观的天性以及这种性格形成的原因。
This part mainly discuss about the pessimism nature of Wang Guowei, and the reason of how this nature be formed.
有下列性格特征的人很容易患上抑郁症：遇事悲观，自信心差，对生活事件把握性差，过分担心。
Has the following character traits, it is very easy to suffer from depression: failing pessimistic, self-confidence is poor, poor grasp of life events, over-worried.
由于具有双重性格，有时候他们可能悲观厌世。
Sometime they can be pessimistic which is caused by their dual nature.
悲观主义者把失败归咎于个人，把失败解析为一些深层面的性格缺陷的证据。
Pessimists take failures personally, interpreting them as evidence of some deep-seated character flaw.
由于具双重性格，有时候他们可能会悲观厌世。
Sometime they can be pessimistic which is caused by their dualistic nature.
由于具双重性格，有时候他们可能会悲观厌世。
Sometime they can be pessimistic which is caused by their dualistic nature.
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