英语翻译建议今后的施工图设计尽量详细,材料统计尽量全面.合同应该增加一条,是开口合同还是闭口合同,如果是开口合同就由买方

Suggestions to the future construction drawing design, materials as comprehensive statistics in detail。 The contract should be added, is open and shut the contract or contract is open, if the contract is assumed by the buyer, the cost more, if the contract is silent is borne by the seller。