機器
ackground
atm
bakery
bank
banking
buy
card
cash
cashless
chip
client
connect
connection
contactless
credit
customer
debit
device
digital
hand
keyboard
mobile
money
nfc
pass
pay
paying
payment
phone
pos
purchase
reader
retail
sale
sell
seller
shop
smartphone
swiping
technology
telephone
terminal
transaction
transfer
using
white
wifi