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Online Self-service Ordering System Questionnaire
亲～，请留下您宝贵的想法，非常感谢您的参与！
How often do you go to the restaurant?
Have you used self-service order method before ?
What do you think the disadvantages of traditional ordering method?
Which one of the following scanning self-service ordering method services do you think best meets your needs?
What are the reasons that affect your ordering by scanning code
