以下是一个适用于邀请他人参加毕业典礼的英语邀请函万能模板，结合了多个要求中的常见结构和表达方式：
万能模板结构
1. 开头与邀请意向
Dear [Recipient's Name/Title],
It is with immense joy and pride that I cordially invite you to attend my graduation ceremony at [University Name]. Your presence would mean a great deal to me as I celebrate this significant milestone in my academic journey.
2. 典礼信息
The ceremony will be held on [Date] at [Time], at [Venue Name and Address]. The event will include [briefly describe activities, e.g., speeches, award presentations, and a reception].
3. 补充说明（可选）
（若需签证支持）
To assist with your visa application, I have enclosed the following documents:
（若包含行程规划）
After the ceremony, I would be delighted to show you around [City Name] and visit local attractions such as [mention landmarks].
4. 表达期待与联系方式
I sincerely hope you can join me on this special occasion. Please let me know your availability by [RSVP Date]. Feel free to contact me at [Phone Number] or [Email Address] for further details.
5. 结尾敬语
Looking forward to sharing this memorable moment with you!
Warm regards,
[Your Full Name]
[Your University/Department]
示例（非签证用途）
Dear Professor Johnson,
I am writing to formally invite you to my graduation ceremony at Harvard University on June 15, 2025, at 10:00 AM in the Main Auditorium. As my mentor, your guidance has been instrumental in my academic success, and I would be honored to have you witness this milestone.
The ceremony will feature keynote speeches, a degree conferral session, and a reception lunch. Should you require any assistance with travel arrangements, please do not hesitate to contact me.
Kindly confirm your attendance by June 1st via email (john.) or phone (+1-).
With deepest gratitude,
John Doe
Harvard Business School
关键要素参考
可根据具体需求调整模板内容，如添加行程规划或情感表达。
