英文關鍵字
aircraft
airline
airport
arrival
authorise
board
boarding
border
business
check
communication
departure
desk
destination
diverse
flight
gate
gateway
identification
indoors
information
inspection
international
journey
load
multiethnic
multiracial
passenger
queue
registration
safety
security
side
terminal
ticket
tourism
tourist
traffic
transfer
transit
transport
transportation
travel
traveler
trip
vacation
verify
view
voyager
wait