英文關鍵字
bank
bankcard
banking
business
buy
card
cashier
check
checkout
checkup
code
commerce
confirmation
consumerism
counter
credit
customer
debit
device
electronic
entry
finance
financial
hand
inserting
keypad
machine
money
pay
paying
payment
pin
plastic
pos
processing
purchase
reader
receipt
retail
sale
seller
selling
shop
shopping
smart
store
technology
terminal
transaction
typing