本协议不可被改变、修改、修订或补充，双方以签订书面文件的形式除外。

This Agreement may not be changed, modified, amended or supplemented except by a written instrument signed by both Parties.

youdao

本协议不可被改变、修改、修订或补充，双方以签订书面文件的形式除外。

This Agreement may not be changed, modified, amended or supplemented except by a written instrument signed by both Parties.

youdao