機器
android pay
androidpay
apple pay
applepay
business
buy
card
cashier
cell
cellphone
checkout
communication
consumer
contactless
credit
customer
device
digital
electronic
financial
girl
hand
mobile
mobilephone
money
nfc
pay
paying
payment
person
phone
purchase
retail
samsung pay
samsungpay
shop
smart
smartphone
store
technology
terminal
transaction
transfer
wireless