因工作需要.请帮忙翻译一个邀请函.谢谢啦 英语

Invitation
We would like to invite you to join our business trip, which will be hold from 01-31.01.2007.( Approximately 30 days)
The company pays the charge of their own persons.
We are looking forward to your response.

Yours sincerely,

你的落款

不明白你的的"职务:董事长"是什么意思

Invitation
We should like to invite you to attend our business trip which will be held from Jan.1--Jan.31. the all charge of this trip will be paid by company.
We look forward to hearing from you soon, and hope that you will be able to attend.

Yours faithfully.