英文關鍵字
app
application
apps
bank
banking
bill
business
buy
card
chip
commerce
credit
currency
debt
device
digital
display
economy
electronic
finance
gadget
hand
hold
information
interface
internet
mobile
money
online
pay
paying
payment
phone
plastic
purchase
receipt
screen
security
service
shopping
smartphone
technology
touch
touchscreen
transaction
transfer
using
white