機器
bank
banking
bill
business
buy
buying
card
cash
cashier
cashless
checkout
client
commercial
consumerism
credit
customer
debit
device
digital
electronic
female
finance
financial
hand
holding
man
modern
money
pay
paying
payment
people
pin
plastic
pos
purchase
reader
retail
sale
service
shop
shopping
store
technology
terminal
transaction
transfer
wireless
woman