看美剧学英语高频短语：For future reference

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For future reference: used when you tell someone something so that it will be known about and can be used in the future; in order to be used or looked at some time in the future. As in I filed the documents away for future reference.

中文释义：常用词组搭配“for future reference”是字典中的典型表达，意思是供以后参考；以后要记住；以备未来使用。例句：For future reference, I'm not a fan of surprise visits.（你以后注意点，我很不喜欢不打招呼就突然出现。）另外引申几个在工作邮件中常用的相关短语：FYI (for your information 供你参考，请知悉); FYR (for your reference供你参考); FYU (for your use供你使用)。