If the system became manic, it wasbecause it was latently depressed.

如果这个体系变的狂躁，那是因为潜在的萧条。

youdao

People with bipolar disorder tend to have manic phases and depressed phases in their lives.

双相情感障碍患者往往在其生活中会有躁期和郁期。

youdao

They found that people with subthreshold hypomania have higher rates of anxiety and substance abuse and more depressive episodes than depressed people who don't exhibit manic behavior.

他们发现阈下性轻躁狂者比无躁狂行为的抑郁者有更高的焦虑率和药物滥用率，抑郁的发作次数也更高。

youdao

For weeks now, stock markets of the world from Tokyo to Frankfurt to New York have been fluctuating in a manic depressed range of approximately 5% as expectations of a concerted effort to solve this giant crisis ebb and flow.

FORBES: Political Inertia Edges Europe To An Economic Abyss

Generally, people who have the condition experience psychotic symptoms such as hallucinations, disorganized thinking and paranoid thoughts as well as a mood disturbance, such as depressed or manic mood.

CNN: Schizoaffective disorder

And then, it's as if we were in a manic euphoria before and now we're in a manic depression now, where everything is worse than we expected and everybody's depressed.

NPR: Economy Is Not Off Life-Support Yet