一、系里出具的学籍证明，是email，希望对大家有帮助。
To Whom It May Concern:
This is to verify that Mr. fujiapple is a registered full-time PHD student
in the Computer Science Department at the University of ABC. Mr. fujiapple
will receive full financial aid from the Department of Computer Science upo
n his return to the University of ABC.
If you need any additional information, feel free to contact me either by
email (someone@abc.edu) or call (123)456-7890.
Someone
Graduate Secretary
Department of Computer Science
University of ABC
二、老板出具的学籍证明，是email，希望对大家有帮助。
Dear fujiapple,
This E-mail is to verify that you are still a Ph.D. student in my research
group at the University of ABC and that you are still guaranteed
full financial aid when you return to ABC. I expect and look
forward to you resuming your research and study very soon. If you need
any further information, please contact me at your earliest convenience.
Regards,
Someone, Assistant Professor
Department of Computer Science
University of ABC
Addr.
Telephone: 123-456-7890, Fax: 123-456-7890
someone@abc.edu
liuxue86.com签证小常识:
签证，是一个国家的主权机关在本国或外国公民所持的护照或其他旅行证件上的签注、盖印，以表示允许其出入本国国境或者经过国境的手续，也可以说是颁发给他们的一项签注式的证明。概括的说，签证是一个国家的出入境管理机构（例如移民局或其驻外使领馆），对外国公民表示批准入境所签发的一种文件。
