We deeply regret that the supplier has failed to meet the agreed-upon quality standards.

我们对供应商未能满足约定的质量标准深表遗憾。

同一单元的其他句子

• Pursuant to our previous correspondence, I am pleased to confirm that the board has approved the proposed merger.根据之前的通信，我很高兴地确认董事会已批准拟议的合并方案。
• We would like to formally request a renegotiation of the pricing terms outlined in the initial agreement.我们希望正式要求重新谈判初始协议中列出的定价条款。
• Please find attached the comprehensive audit report detailing our findings and recommendations.附件是详尽的审计报告，详细说明了我们的发现和建议。
• I am writing to express our concern regarding the recent discrepancies in the delivered quantities.我写信是想表达我们对近期交货数量差异的担忧。
• Should you require any further clarification, please do not hesitate to contact our legal department.如需进一步澄清，请随时联系我们的法务部门。