英文關鍵字
bank
banking
business
buy
cellphone
checkout
commercial
consumer
consumerism
contactless
credit
customer
debit
device
digital
electronic
express
finance
financial
future
innovation
man
mobile
mobilephone
modern
money
nfc
pass
pay
paying
payment
phone
purchase
reader
retail
scan
scanning
service
shop
smart
smartphone
store
system
technology
terminal
transaction
transfer
wallet
wireless