ㄐㄧㄥˇjǐngㄖㄢˊránㄧㄡˇyǒuㄒㄩˋ

  1. 條理分明秩序精明能幹凡事料理井然有序。」金史·二八·》:棋布井然有序。」層次分明有條不紊

everything clear and in good order (idiom)​; neat and tidy
(expr. idiom.)​ propre et net