Untreated depression lasts for a long time and interferes with your day-to-day activities.

未经治疗的抑郁症会持续很长一段时间，还会影响你的日常活动。

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Winter lasts for a long time in the mountains.

冬天在山里会持续很久。

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The main causes of aberration are that the condition of deficient burden lasts for a long time and the leaking cooling equipments did not be changed in time during the period of treating BF hanging.

在处理高炉悬料时长时间亏料加上冷却设备漏水未及时更换，是导致炉况失常的主要原因。

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"It turns out that caffeine actually lasts in your body for quite a long time, " Dollar said.

CNN: Caffeinated moms drink up to keep up