機器
banner
bill
business
buy
card
cash
cashier
credit
credit card
customer
debit card
device
digital
electronic
finance
financial
gold
holding
keyboard
laptop
modern
money
notebook
online
order
passion
pay
paying
payment
pin
plastic
pos
printer
purchase
receipt
retail
sale
service
shop
shopping
store
swipe
swiping
technology
terminal
transaction
transfer
using