機器
bank
banking
business
buy
card
cardreader
cashier
checkout
commercial
concept
consumerism
credit
customer
data
debit
device
digital
display
electronic
finance
financial
isolated
market
modern
money
nfc
object
online
pay
paying
payment
pin
plastic
pos
purchase
reader
register
retail
sale
security
shop
store
swiping
system
terminal
transaction
transmission
up
white