返へん信しんはがきへんしんはがきじ字FuriganaMeanings1nounreturn postcardA postcard pre-addressed and often pre-stamped for the recipient to send back, commonly used in RSVPs, surveys, and business replies.結けっ婚こん式しきの出しゅっ欠けつは返へん信しんはがきでお知しらせください。