是 for your information, 经常缩写为 FYI,有很多意思,有时可能是“供参考”的意思.
如：
1 We're much obliged to you for your information. 我们很感谢你提供的消息.
2 A copy of the provisional agenda in enclosed for your information. 随信寄上一份暂定议事的日程安排供参考.
3 For your information, I don't even have a car. 你要知道,我连汽车都没有.
4 I attach a copy of my notes for your information. 我附上笔记一份供你参考.
5 It's very kind of you.Thanks for your information. 你想得真周到,谢谢你的介绍.
满意请采纳,谢谢.