英文關鍵字
business
buying
card
cash
cashier
checkout
clerk
client
consumer
contamination
conveyor
counter
credit
customer
desk
disease
diverse
eco
employee
glove
grocery
hand
hypermarket
items
mall
market
payment
people
price
product
protection
punch
purchase
retail
sale
scanning
service
shop
shopping
staff
store
supermarket
technology
terminal
woman
worker