旅りょ行こう文ぶん書しょMeanings1nountravel documentRefers to official documents needed for international travel, such as passports, visas, and entry permits.海かい外がい旅りょ行こうには有ゆう効こうな旅りょ行こう文ぶん書しょが必ひつ要ようです。A valid travel document is required for overseas travel.