大家好,今天小六子来为大家解答以下的问题，关于one day. some day 区别，some day和one day的区别这个很多人还不知道，现在让我们一起来看看吧！

1、someday [also some day] :at a time in the future that is not yet known ‘将来某一天; 有朝一日’例如:I hope you come and visit me someday/some day.one day :used when you are talking about a time in the past or future without actually saying when 表示非明确的过去或将来的某段时间 ‘某一天’例如:He came to see me one day last week.We must go and visit them one day.也就是说someday/some day 只能用于将来时；而one day 可用于过去时或将来时.将来是中二者可替换.。

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