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as the derverlopment of science,it is confinent for internet to our life.we can shop what we want in internet. online shopping can save time to do what we want,you can find something that can pay lower price. but onlion shopping exict a lot of problems.a lot of things that are low priceand nice,so you will pay much more to buy them.whenyoulost cthroll youself in the interner,you will fall. in my oppion,when we surf the internet,we should keep phsically attinude.