英文關鍵字
agency
agent
alpha
application
biometric
channel
check
checkin
citizenship
close
closeup
control
country
departure
document
electronic
flight
fly
form
green
holding
id
identification
identity
immigration
information
journey
male
man
manager
online
passport
permit
plane
screen
security
service
showing
smartphone
tourism
tourist
travel
traveler
trip
up
vacation
visa
work
working