機器
atm
bank
bill
business
buy
card
cardreader
cash
checkout
close
commercial
concept
consumerism
contactless
credit
customer
data
debit
device
digital
electronic
finance
financial
hand
market
mobile
modern
money
number
pay
paying
payment
person
pos
purchase
reader
register
retail
sale
shop
store
swipe
technology
terminal
transaction
up
wallet
white
wireless