英文關鍵字
automate
buy
cafe
caucasian
choice
choose
choosing
customer
display
electronic
fast
food
hand
indoor
inside
junk
lunch
machine
man
mcdonalds
meal
menu
modern
monitor
online
order
people
person
pick
press
purchase
purchaser
push
quick
restaurant
sale
screen
self
service
selfservice
sensor
snack
technology
terminal
touch
touchscreen
unhealthy