英文關鍵字
person
hand
scanning
device
receipt
barcode
store
supermarket
purchase
pay
purchaser
customer
payment
checkout
grocery
client
verification
scan
confirmation
checking
shopping
merchandise
man
bill
finance
retail
sale
buying
male
money
paper
adults
display
electronic
expense
register
caucasian
consumerism
machine
transaction
card
bank
shop