英文關鍵字
amount
arm
bank
banking
bar
beverage
business
butchery
buy
card
cashier
catering
cell
cellphone
checkout
closeup
code
coffee
concept
contactless
counter
credit
customer
device
digital
drink
electronic
employee
entering
female
input
job
machine
male
man
mobile
order
paying
payment
portable
pub
purchase
sales
service
serving
waitress
wireless
woman
wooden
working