基本解釋（用於給某人提供信息時）供蓡考（for your information的縮寫）。同根派生 fyi相關詞英英字典劍橋英英字典 written abbreviation for for your information: used, for example in emails, when you send someone an announcement or tell someone something that you think they should knowfyi劍橋字典fyi柯林斯字典