English-Chinese/These include major depressive disorder

These include major depressive disorder (MDD; commonly called major depression or clinical depression) where a person has at least two weeks of depressed mood or a loss of interest or pleasure in nearly all activities; and dysthymia, a state of chronic depressed mood, the symptoms of which do not meet the severity of a major depressive episode.

这些包括重度抑郁症（MDD;通常称为严重抑郁症或临床抑郁症），其中一个人在几乎所有活动中至少有两周的情绪低落或失去兴趣或愉悦; 和心境恶劣，一种慢性抑郁情绪状态，其症状不符合严重抑郁发作的严重程度.