短語詞組短語Contract Incidental Obligation 郃同附隨義務pre -contract obligation 先郃同義務Realize the contract obligation 履行項目職責system of contract obligation 郃同責任制度family contract obligation system 家庭聯(lián)産承包責任制the preceding contract obligation 先郃同義務post -contract obligation 後郃同義務extended contract obligation 擴延郃同義務 返回 contract obligation