business invitation letter
商务邀请函样本 Sample Business Letters of Invitation
外国人商务邀请函 visa&working permit
美国商务签证邀请函 USA Business Visa Invitation Letter
如何书写商务邀请函？
How to Write a Business Invitation?
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一封商务邀请函与个人邀请函有非常大的不同。
A business invitation differs greatly from a personal invitation.
恰当的商务邀请函由一些基本的和必须的成分组成。
The proper business invitation consists of a few basic and necessary elements.
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