The provisions of this agreement may not be modified , amended , nor waived , except by a written instrument duly executed by the parties hereto 除非由双方共同书面并签名盖章执行，本协议的规定不应被更改、修订或者放弃。
In witness whereof , the parties hereto have caused this agreement to be executed by their duly authorized representatives on the dates specified below 以资证明，协议双方通过委派各自的正式授权代表在以下指定日期签名，协议开始生效。
In witness whereof , the parties hereto hae executed this agreement in duplicate by their duly authorized representaties as of the date first aboe written 兹证明，双方委派各自代表，在以下开首语中书明的日期签署盖章。本协议一式两份。
In witness whereof , the parties hereto have caused the agreement to be executed on the day and year first before written inaccordance with their respective laws 本协议书于上面所签定的日期由双方根据各自的法律签定，开始执行，特立此据。
In witness whereof , the parties hereto have executed this agreement in duplicate by their duly authorized representatives as of the date first above written 兹证明，双方委派各自代表，在以下开首语中书明的日期签署盖章。本协议一式两份。
Any modification , amendment or waiver of any of the provisions of this agreement must otherwise be made in writing and duly signed by the parties hereto 对本“协议”任何规定的任何变更、修改或免责必须另以书面形式作出，并经各方正式签字。
No modification of this contract shall be valid unless the same is agreed in writing by the parties hereto and issued as an amendment to the contract 对本合同的任何修改都将无效，除非合同有关各方以书面的形式一致同意，并颁布作为合同的修改本。
Entire agreement : this agreement constitutes the entire agreement and understanding of the parties hereto , and no representations or promises have been made that are not fully set forth herein 全部协议：本合约为双方之全部协议和约定，包含双方先前的所有提议和承诺。
Entire agreement : this agreement constitutes the entire agreement and understanding of the parties hereto , and no representations or promises have been made that are not fully set forth herein 全部协议：这份协议构成这里的双方全部协议和谅解，没有完整陈述和承诺不会被达成的。
During the period of dispute , the parties hereto must continue to execute all of their obligations in accordance with the terms and conditions under this agreement other than those that are in dispute 在争议解决过程中，除了与争议有关的内容外，当事人应有义务继续履行本协议中的其他条款。
