郵ゆう便びん投とう票ひょうゆうびんとうひょうMeanings1nounpostal voting; voting by mailRefers to the system or act of casting a ballot by mail, often used in elections or organizational voting.海かい外がいに住すんでいる有ゆう権けん者しゃは郵ゆう便びん投とう票ひょうを利り