W: How long will it take you to fix my watch? M: I'll call you when it's ready.But it shouldn't take longer than a week.
女士问修好我的手表要多长时间，男士说修好的时候他会打电话给她，但是不会花一个多星期的时间。
W: So you are not sure how long it will take to get there?
W：所以你还不能确定到机场需要多长时间吧？
W: Eric, how long will you be in China? M: I don't know.
W：Eric，你要在中国呆多久？
W: Eric, how long will you be in China? M: I don't know.
W：Eric，你要在中国呆多久？
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