忠誠
advertisement
bank
bar
barcode
bonus
branding
business
buying
card
certificate
client
code
coherent
commercial
concept
consumerism
coupon
credit
customer
discount
ecommerce
electronic
gift
giving
icon
id
identity
illustration
internet
isolated
loyal
marketing
online
paying
payment
percentage
plastic
points
privilege
program
purchase
retail
rewards
sales
save
shopping
sign