in a week 与 in a week’s time 区别

in a week 表示在一周后，例句，when do you plan to begin your work? ok,don't be worry, i promise i will start it in a week.
而 in a week's time 表示在一周的时间内，是一段时间。例句，what do you think about your paper? um,i'm not so sure. however,i can finish in a week' time.
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希望可以帮到你。

in a week 是从现在开始一周内。 's time 是说在一周这么长的时间，不一定从现在算。

其实二者是一样的 没区别