Most of the time when a person is in a slight depression, and occasionally there will be more severe symptoms can occur when a "doubledepression."
当一个人大部分时间都处于轻微的抑郁,并偶尔会有更严重的症状时,就会发生“双重抑郁症”。
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One Gallup poll found that 20 percent of Americans, who have been unemployed for at least a year report having depression, double the rate for working Americans.