英文關鍵字
advertising
bank
bill
business
buy
cafeteria
card
cash
cashier
chip
code
commercial
communication
consumerism
credit
customer
data
debit
device
digital
electronic
finance
financial
laptop
less
machine
mobile
money
nfc
pass
pay
payment
phone
pin
pos
purchase
reader
restaurant
retail
sale
shop
smartphone
store
table
technology
terminal
transaction
transfer
wallet
wireless