短語詞組短語Contract t basis 合同基礎on a contract basis 包干;按契約辦事Comment Contract Basis 評論合同基礎construction on contract basis 合同管理方式建設Land Contract on Household Basis 土地家庭承包Basis contract 基差合約;基本合同contract on a seasonal basis [勞經]季節(jié)包工a rate basis contract 單價合同 返回 contract basis