機器
business
buy
cafe
cashier
cell
cellphone
checkout
coffee
commerce
computer
consumer
contact
customer
device
digital
electronic
financial
girl
grocery
hand
laptop
mobile
money
nfc
notebook
one
outdoor
pay
paying
payment
people
person
phone
qr
retail
rfid
scan
shop
smart
smartphone
store
technology
terminal
transaction
transfer
wallet
wireless
woman