機器
bank
banking
business
buy
card
cashier
caucasian
checkout
client
computer
concept
consumerism
credit
customer
debit
device
electronic
female
finance
financial
fraud
hand
holding
isolated
lifestyle
mail
market
modern
money
number
pay
paying
payment
people
person
plastic
purchase
restaurant
retail
sale
security
selling
shop
shopper
store
terminal
transaction
woman