世せ界かい税ぜい関かん機き構こうMeaningsNoun1. World Customs Organization; WCOKanji used世world界realm税tax関connected to機machine構be concerned aboutComposed of世せ界かいthe world; society; the universe; sphere; circle; world; world-renowned; world-famous; realm governed by one Buddha; spaceNoun税ぜい関かんcustoms; customs houseNoun機き構こうmechanism; machinery; system; structure; organization; frameworkNoun