1. Hey there!
    2. Greetings from [Your name/ Your organization]!
    3. It's my pleasure to extend an invitation to you for [event/ occasion].
    4. I hope this message finds you well!
    5. Warmest greetings!
    6. I'm writing to cordially invite you to [event/ occasion].
    7. Hello and welcome!
    8. We would be honored if you could join us for [event/ occasion].
英文邀请信    9. Good day!
    10. I hope this message finds you in good spirits.