機器
adult
business
buy
cashier
cell
cellphone
checkout
commerce
communication
consumer
contact
contactless
customer
device
digital
electronic
eye
female
financial
girl
grocery
hand
lady
mature
mobile
money
nfc
one
optical
pay
payment
phone
retail
rfid
scan
shop
smart
store
technology
terminal
transaction
transfer
wallet
wireless
woman
young