The courses last for four, six or eight weeks.

这个课程将有四个，六个或八个星期。

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If coughing persists for more than eight weeks or if coughing brings up sputum or blood or disturbs your sleep, see your doctor to check for a more serious cause of your coughing.

如果咳嗽持续八周以上或者伴有痰、血或者打扰了你的睡眠，就要去看看医生，检查一下是否有其他原因导致了咳嗽。

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The firm recently completed a takeover in eight days (as opposed to the usual weeks or months) by putting the lawyers in telepresence rooms instead of on aeroplanes.

它最近让律师们在网真会议室里开会而不是坐飞机出差，这样开了八天，以往要几周甚至几个月时间。

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"Our youngest daughter was born under 4 pounds, and she was seven or eight weeks early, " he says.

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I've said it all along in the last seven or eight weeks, give me my full team on the park.

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The thought of going away for six or seven or eight weeks or even three months without my kids - I just didn't fancy it anymore.

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