SASE

劍橋詞典

abbreviation for self-addressed stamped envelope : an envelope with a stamp and your name and address on it that you send inside another envelope to an organization when you want a reply
（貼足郵資寫明姓名地址的）回郵信封（self-addressed stamped envelope的縮寫）
Please enclose an SASE with your application . 請隨申請書附上貼足郵資寫明姓名地址的回郵信封。
比較
sae 返回 SASE