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信息发布者：
between
put
their
so
thousands
seen
In Los Angeles.
By touching the screen in front of them.
I'd like to order my food on a screen because I'm shy and I don't want to communicate with others./
I'd like to order food with the help of the waiters because they can give me good advice.
      As we all know, great changes have taken place in China over the past years.
People's living conditions have improved a lot. The environment around us has 
become better. We are getting used to travelling by high-speed train because it's 
easy and fast. Online shopping has been more and more popular. Even my 
grandparents have learnt how to shop online.
      Among all the changes, I think mobile payment is the most surprising. Now 
we don't need to take paper money or wallets with us. We can pay for nearly 
anything with our phones. Isn't it amazing?
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