我们需要准备一封邀请信，邀请嘉宾来演讲。

We need to prepare an invitation letter to invite the guest speaker.

我收到了朋友的邀请信，邀请我参加他的婚礼。

I received an invitation letter from my friend to attend his wedding.

公司寄了一封邀请信，邀请我们参加年度会议。

The company sent an invitation letter inviting us to the annual meeting.

她写了一封邀请信，邀请大家参加她的生日派对。

She wrote an invitation letter inviting everyone to her birthday party.

他很高兴收到大学的邀请信，邀请他参加校友会。

He was happy to receive an invitation letter from the university inviting him to the alumni event.

持证人儿子给父母的邀请信

A. Invitation letter to parents

这是我的护照和邀请信。

Here is my passport and invitation letter.

我收到了他的聚会邀请信，但是我没接受邀请。

I received his invitation letter to the party but I didn't.

是的。我有项目书（带有签字的），C大学的邀请信，推荐信。

Yes. I have the program description(with signature), C's invitation letter and recommendation letter.

是的。我有项目书（带有签字的），C大学的邀请信，推荐信。

Yes. I have the program description(with signature), C's invitation letter and recommendation letter .