心境恶劣障碍，也叫做恶劣心境。

Dysthymic disorder, also called dysthymia.

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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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双相情感障碍，也叫做躁郁症，并不像重度抑郁症或心境恶劣一样普遍。

Bipolar disorder, also called manic-depressive illness, is not as common as major depression or dysthymia.

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