機器
app
banking
bill
businessman
card
cash
cashfree
cashless
commerce
contactless
contactless payment
credit
credit card
currency
customer
defocused
device
digital
digital currency
ecommerce
electronic
electronics
finance
financial
gadget
hand
internet
machinery
man
money
money transfer
nfc
online
pay
paying
payment
phone
purchase
reader
selected focus
service
shopping
smartwatch
technology
terminal
transaction
transfer
wallet
wireless