Shopping on-line is also very popular among the young people,because it's so convenience.We can buy cheap conference books.While ,one coin have two sides.Shopping on-line have its disadvantages.First is that spending too much time surfing on the Internet，our eyes may feel tired.The least but not the least is that we can't see the rreal quality of the commodities,we just have pictures.Thus,our rights can't be guaranteed.So it's a long way for on-line shopping to go.
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