英文關鍵字
airline
airport
app
baggage
barcode
boarding
business
certificate
check
checkin
choose
click
commuter
computer
departure
desk
destination
display
face
flight
fly
girl
global
hand
identification
information
international
journey
luggage
machine
man
mobile
pass
passenger
people
person
phone
rpd61
scan
screen
self
smartphone
technology
terminal
ticket
tourist
transportation
travel
using
woman