No course of conduct or dealing and no trade custom or usage shall modify any provisions of this Agreement.
本协议所有约定均不得根据相关作为或商业惯例而修改。
2
The legal status oftradeusage has been regulated in "Laws of Contracts of the People's Republic of China", but the definition and the legal application oftradeusage haven't been definded clearly .
我国《合同法》明确了交易习惯的法律地位,但对交易习惯的概念理解和法律适用未作具体规定。
3
The usageof standard form clauses raised the economic efficiency, economize to trade the cost, but also brought the juridical problems.