I received a letter of invitation, but I didn't accept.

我收到了一封邀请信，但是我没有接受。

youdao

Package Tour Visa is issued on receiving a letter of invitation from a Tour Company.

团体旅行签证根据旅游公司的邀请函颁发。

youdao

If the visiting time of this group is appropriate, please send me a letter of invitation.

如此团出访时间合适的话，请出具一份邀请函。 谢谢！

youdao

The events committee will send him all binding documents including a Letter of Invitation and Contract Agreement as well.

FORBES: Beware This Speaker Scam!

So on February 17, we mailed and faxed a letter to each of the seven elected officials, alerting them to the invitation using their names, and asking them if they would remove their names as invitees.

CENTERFORSECURITYPOLICY: dar_al_hijrah_islamic_center_kaine

In your letter of invitation, you asked me to provide the reason for each agency that did not submit a regulatory enforcement report.

WHITEHOUSE: Statement of John D. Graham