英文關鍵字
access
accessibility
allow
authorized
card
cardkey
closeup
code
control
door
electronic
enter
entrance
entry
green
guest
hand
holding
holiday
home
hotel
house
identification
indoors
key
keycard
keyhole
let
light
lock
man
modern
open
permit
privacy
red
room
safety
secure
security
service
system
technology
unlock
validation
woman