機器
bank
banking
bar
bill
business
buy
cafe
card
cash
cashier
checkout
con tactless
consumerism
counter
credit
customer
debit
device
digital
electronic
female
finance
financial
hand
holding
isolated
man
money
pay
paying
payment
people
person
pin
plastic
pos
purchase
reader
restaurant
retail
sale
shop
swipe
swiping
technology
terminal
transaction
using