短語詞組短語Contract Incidental Obligation 合同附隨義務(wù)pre -contract obligation 先合同義務(wù)Realize the contract obligation 履行項(xiàng)目職責(zé)system of contract obligation 合同責(zé)任制度family contract obligation system 家庭聯(lián)產(chǎn)承包責(zé)任制the preceding contract obligation 先合同義務(wù)post -contract obligation 后合同義務(wù)extended contract obligation 擴(kuò)延合同義務(wù) 返回 contract obligation