공동연구를 하러 간다고 솔직히 이야기하셔도 됩니다.
미국 연구기관에서 호스트하시는 분이 이런 편지를 하나 보내주시면 입국 심사할 때 큰 도움이 될 거예요.
저는 외국에서 세미나 연사나 대학원생들 초청할 때 항상 이런 편지를 써서 보내줍니다.
Dear TSA Officer:
This is to verify that XXX (Date of Birth: XX/XX/XXXX) has been invited to visit (GROUP and INSTITUTE ).
The dates of this visit will be from XX/XX/XXXX to XX/XX/XXXX. The purpose of this visit will be to XXXX.
During the visit, XXX will not be employed by the XXX, nor will s/he receive any salary from the Lab. The XXXX anticipates reimbursing XXX for the expenses s/he incurs during this visit.
Thank you for your assistance with this matter. Feel free to contact me at EMAIL ADDRESS or PHONE NUMBER if you have any questions.