answer: #Person1# advises #Person2# to buy things online, and #Person2# thinks it's unbelievable.
documents: #Person1#: Do you like shopping?
  #Person2#: Yeah. I go shopping once a week
  #Person1#: Why don't you do your shopping at home?
  #Person2#: What do you mean? I can't understand.
  #Person1#: I mean you can buy things through the Internet, that is E-commerce.
  #Person2#: Really? That's unbelievable.