在生活、工作和学习中,大家都写过作文,对各类作文应该很熟悉。写好作文需确保主题集中,深入阐述,避免东拉西扯或主题分散。为了帮助大家更好地掌握这一技巧,以下提供了一份美国旅游签证邀请函的范文,希望对大家有所帮助。

␥ 美国旅游签证邀请函 ␥
Dear Professor _____________
We are so pleased that you will be visiting Stanford to speak at our _______ Research Workshop on [date]. To show our appreciation for your willingness to share your research, we would like to offer you a modest $_______ honoraria, assuming your visa and tax status allow you to accept this. Please be aware that honoraria payments may be subject to up to 37% withholding.
In order to process this, we will need you to complete some paperwork; we will be in touch shortly about this. If you would like our assistance securing a visa to enter the United States, or an ITIN (tax identification number required to receive honoraria payments), please let us know—we will be glad to help with this. We are also prepared to cover the costs (up to $______) for your travel to and accommodations in the Stanford area.
We can make and pay directly for travel arrangements for you, or, if you prefer, we can reimburse your for reasonable expenses (i.e. coach-class airfare for flights under eight hours in length, no entertainment or alcohol-related expenditures, tips 15% or less).
If you choose the latter option, we will ...