No provision of this Agreement may be waived or amended unless the waiver or amendment is in writing and signed by both Client and an authorized officer of CMS.是什么意思_No provision of this Agreement may be waived or amended unless the waiver or amendment is in writing and signed by both Client and an authorized officer of CMS.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句