求翻译：亲爱的朋友，我收到你寄来的生日邀请函了。非常感谢你能邀请我参加你的生日聚会。但非常的抱歉，公司这段时间就要安排我去外面出差，不能赶回去参加你的生日聚会了。我很遗憾！提前祝你生日快乐，天天开心。是什么意思？

Dear friends, I received you send birthday invitations. Thank you very much for inviting me to attend your birthday party. But very sorry, but the company this time is necessary to arrange for me to go on a business trip can not go back to your birthday party. I am very sorry! Advance happy birthday

My dear friend, I have received your letter of invitation from the birthday party. Thank you very much for inviting me to your birthday party. We're sorry, but it is very of the company will be the time for me to go to travel outside, not pushing back your birthday party. I am sorry! Early Happy bir

The dear friends, I received the birthday invitation letter which you mailed.Thanks you to be able extremely to invite me to attend your birthday meeting.Outside but the unusual regret, company this period of time must arrange me to go to travel on official business, could not hurry back participate

Dear friends, I have received your birthday invitations. Thank you for inviting me to your birthday party. Very sorry, this time will be arranged for me to travel outside of the company, not back to your birthday party. I'm sorry! Advance happy birthday to you, happy every day.

正在翻译，请等待...