英文關鍵字
access
accessibility
admittance
architecture
automatic
boundary
building
business
card
checkpoint
city
closed
contemporary
control
design
door
doorway
electronic
entrance
equipment
exit
gate
gateway
glass
indoors
leaving
machine
many
metallic
metro
modern
monochrome
nobody
office
platform
public
railway
reader
row
security
station
stop
subway
system
technology
terminal
ticket
tourniquet
turnstile
underground