answer: #Person1# tells #Person2# about the advantages and disadvantages of shopping online.
documents: #Person1#: Do you shop online often?
  #Person2#: Every so often. It is very convenient and the price is lower than in stores.
  #Person1#: Are there many things online?
  #Person2#: Books, cosmetics, daily necessities, even large electrical appliance can be ordered from online-stores.
  #Person1#: Incredible. I really want to survey the on-line virtual supermarket.
  #Person2#: Even you can bargain with the owner of one on-line store, although he or she provides'But It Now'prices.
  #Person1#: What are the disadvantages of on-line shopping?
  #Person2#: Some provide wrong pictures for the goods, so many buyers are deceived.