I can't attend class reunion in different places.

If you can't attend the classmate's party, you can express it in the following ways:

1. Sincere apology: Express your regret that you can't attend the party and thank them for their understanding and tolerance.

For example, you can say, "I'm very sorry, I can't attend this party." Thank you for your understanding and tolerance. I hope the party goes smoothly and everyone has a good time. "

2. Explain the reason: briefly explain the reason why you can't attend the party, so that your classmates can understand your situation and feel your sincerity.

For example, you can say, "I can't get to the scene on the day of the party because of work/family reasons." But I really want to celebrate with you. "

3. Express regret: Express regret that you can't attend the party, and say that you will try to attend next time.

For example, you can say, "I'm sorry I can't attend this party, but I promise to attend it next time."

4. Blessing: Finally, express my blessing to the Party, and hope everyone can have a good time.

For example, you can say, "Have a nice party. I hope we can get together again next time. "