He says he will be back two days but he comes back a week.介词的用法after 和in 的区别

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Hesayshewillbebacktwodaysbuthecomesbackaweek.介词的用法after和in的区别Hesayshewillbebacktwodaysbuthecomesback

He says he will be back two days but he comes back a week.介词的用法after 和in 的区别
He says he will be back two days but he comes back a week.
介词的用法after 和in 的区别

He says he will be back two days but he comes back a week.介词的用法after 和in 的区别
前面用in,后面用after.即He says he will be back in two days but he comes back after a week.
in在此表示两天之内,是从说话之日算起.
after在此表示一周后,也是从说话之日算起.
区别是前者表示未超过指定的日期即可理解为有包含之意,后者表示超过了指定的日期也可理解为不包含.因此应译为:他说他将在两天内返回,结果一周后才回来.