英文關鍵字
abroad
american
applicant
application
area
britain
british
check
checking
citizenship
control
denied
document
documentation
embassy
emigration
employment
form
government
governmental
id
identity
illegal
immigrant
immigration
information
law
legal
manager
marking
nation
nationality
paper
paperwork
passport
security
sign
signing
travel
travelling
trip
union
up
us
usa
visa
visit
work
worker
working