Dear [Recipient], I am writing to express my sincere gratitude for your [type of help]. Your [type of help] was greatly appreciated and has made a significant difference in [situation/outcome]. Your generosity and kindness have really touched my heart. I am truly thankful for your support and I will never forget it. Once again, thank you for your [type of help]. Sincerely, [Your Name] 本文来源：https://www.wddqw.com/doc/eb6a262a8d9951e79b89680203d8ce2f00666524.html