英文版本

Dear [Recipient’s Name],

I am writing to express my heartfelt thanks for your generous help and support. Your kindness has made a significant impact on my life, and I cannot express enough how grateful I am. Please accept my sincere gratitude for everything you have done.

Yours sincerely, [Your Name]

中文版本

親愛的[收件人姓名]，

我寫這封信是為了表達(dá)我對(duì)您的慷慨幫助和支持的衷心感謝。您的善舉對(duì)我的生活產(chǎn)生了重大影響，我無法用言語(yǔ)來表達(dá)我的感激之情。請(qǐng)接受我對(duì)您所做的一切表示最誠(chéng)摯的感謝。

此致， 敬禮 [你的姓名]