Staying a day or two longer makes little difference.

多住一两天没有什么用处。

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"I will floss every day" will only take about a week or two to perfect, whereas "I will be able to run a marathon" might take much longer.

“我每天用牙线剔牙”只需要一两个星期就可以做到完美了，但“我能够跑一场马拉松”则需要长得多的时间。

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Mood episodes last a week or two-sometimes longer. During an episode, the symptoms last every day for most of the day.

情绪发作持续一两周或者更长。在每次发作期间症状持续几乎一整天。

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And there's time later on, a day or two, a week, even later, even sometimes longer, when you yourself then will go through the down emotion of what you've just done, because it's not pleasurable.

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She knew a lot of folk remedies and could easily have helped me recover in a day or two, but she would have kept me in bed for a few days longer to insure that I recuperated fully.

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Others with fast-proliferating tumors would live longer with smaller doses of radiation two or three times a day.

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