英文關鍵字
applying
board
card
contactless
control
electronic
enter
entering
entrance
entry
fee
gate
gateway
hand
metro
modern
money
nfc
pass
passengers
pay
paying
payment
people
person
playing
public
railway
ride
scan
security
sensor
station
subway
system
technology
terminal
ticket
tourniquet
traffic
train
transit
transport
transportation
travel
turnstile
underground
urban
woman