抑郁症有几种类型。 最常见的是重度抑郁症和心境恶劣障碍。

There are several forms of depressive disorders.

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心境恶劣障碍，也叫做恶劣心境，以长期(两年或更长)但是较轻的症状为特色。它并不一定使个人致残，但是能使个人正常机能受损或不能感到心情舒服。

Dysthymic disorder, or dysthymia, is characterized by long-term (2 years or longer) symptoms that may not be severe enough to disable a person but can prevent normal functioning or feeling well.

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这将包括与人轻度至中度抑郁，谁没有沮丧不足以被诊断为心境恶劣障碍的年，这两个要求忧郁症状。

This would include people with mild to moderate depression, who have not been depressed long enough to be diagnosed with Dysthymic disorder, which requires depressive symptoms for two years.

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