英文關鍵字
arm
background
business
buying
cafe
cashier
checkout
client
coffee
computer
counter
digital
display
equipment
hand
holding
indoors
innovation
job
management
manager
menu
modern
monitor
order
payment
pos
printer
productivity
purchase
queue
receipt
register
restaurant
retail
screen
service
shop
store
system
tablet
technology
terminal
touch
using
vault
waiter
woman
workers