该怎么写？、、[给老客户的正式的道歉信]

尊敬的客户，

我代表我们的公司向您致以最真诚的道歉。首先，我们衷心对您因我们的失误而遭受3000多美金的损失表示深深的歉意。我们对您的信任感到非常重视，并且意识到我们的错误给您带来了诸多不便和困扰。

我们不否认责任，并且已经对我们的团队进行了全面的调查，我们发现了导致此次失误的原因，并且已经采取了相应的纠正措施，以确保类似的问题不再发生。我们保证会从这次教训中吸取经验教训，提升我们的服务质量和效率。

再次对您的经济损失表示深深的遗憾。我们将竭尽全力补偿您的损失，并确保您在今后的合作中得到最好的服务。我们深知，诚信和专业是我们公司立足外贸市场的基石，我们将不遗余力地努力改进，以确保您对我们公司的信任和满意度。

如果您有任何进一步的疑问或者需要进一步的解决方案，请随时与我们联系。感谢您一直以来对我们公司的支持，我们衷心希望能够得到您的原谅，并再次为给您带来的困扰向您道歉。

最诚挚的祝福，

（你的名字）

另外，以下是道歉信的英文版：

Dear Customer,

On behalf of our company, I would like to offer our sincerest apologies. First and foremost, we deeply apologize for the mistake that caused you a loss of over $3000. We highly value your trust in us and recognize the inconvenience and trouble this has caused you.

We take full responsibility and have conducted a thorough investigation into our team's actions. We have identified the root cause of this mistake and have implemented corrective measures to ensure that similar issues will not occur again. We assure you that we have learned from this experience and will strive to improve our service quality and efficiency.

Once again, we deeply regret the financial loss you incurred. We will make every effort to compensate you for your loss and ensure that you receive the best service in our future cooperation. We understand that integrity and professionalism are the cornerstone of our company's presence in the international trade market. We will spare no effort to continuously improve in order to earn back your trust and satisfaction.

If you have any further questions or require additional solutions, please do not hesitate to contact us. Thank you for your continuous support, and we sincerely hope to receive your forgiveness and apologize once again for the inconvenience caused.

Warmest regards,

(Your Name)