機器
bill
buy
cashier
cell
check
checkout
communication
consumer
contactless
credit
customer
debit
device
female
field
finance
financial
hand
mobile
mobilephone
money
nfc
one
pay
paying
payment
people
person
phone
pos
purchase
rear
retail
rfid
shop
smart
smartphone
spend
station
store
system
terminal
transaction
transfer
use
wallet
white
wireless
woman