抑郁症不一定总来源于心理，伦敦全科医生Ellie Cannon警告道，它也可能是其它疾病或状况的警报信号。

Depression isn't always in the mind - it can often be the warning sign of another illness or condition, warns London GP Ellie Cannon.

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你总倾向于认为自己能摆平，但这已经是一个告警信号了。

There is a tendency to think you can make it up, but this is a warning.

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清洁，保证清晰的信号在长距离电缆长度，减少对信号的中继器的需要，对总安装成本节省。

Clean, crisp signals are ensured over long cable lengths, decreasing the need for signal Repeaters and saving on total installation costs.

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