A.合同自由 B.權(quán)利義務(wù)公平對(duì)等 C.誠(chéng)實(shí)信用 D.守法和維護(hù)社會(huì)公益
A.合同當(dāng)事人平等 B.合同自由 C.權(quán)利義務(wù)公平對(duì)等 D.誠(chéng)實(shí)信用