機器
app
application
automatic
banking
business
buy
card
cellphone
coffee
commerce
communication
connect
connection
consumer
credit
customer
debit
device
digital
electronic
finance
goods
internet
message
mobile
money
online
order
pay
paying
payment
person
phone
product
purchase
qr
retail
screen
service
shop
smart
smartphone
system
technology
transaction
transfer
vending
wireless