機器
atm
bank
business
buy
cashless
cell
checkout
coffee
commercial
communication
consumer
contact
customer
device
digital
electronic
field
financial
floral
florist
flower
girl
gprs
hand
mobile
money
network
nfc
paying
payment
person
pos
purchase
reader
retail
rfid
sale
salesperson
shopping
small
smart
technology
terminal
time
wearable
white
wireless
woman
wristwatch