機器
airport
automatic
bus
buy
card
city
closeup
departure
destination
detector
device
electronic
guard
hand
holiday
journey
life
male
man
metro
mobile
modern
parking
pass
passenger
pay
payment
point
public
rail
railway
receiving
scanner
self
service
smart
station
subway
technology
ticket
touch
tourism
tourist
train
transport
travel
trip
urban
vacation