求翻译：There is no doubt that shopping online has some advantages.First of all,it's quite convenient,we needn't go to the shops to buy the things,so we can save a lot of time.Second,we can usually get a discount when buying the product online.Third,there are many kinds of products on the Internet,which can meet our demands。 Hower,shopping online,like other things,has some disavantages.The security problem is one of them.Sometimes we may get cheated.We have offered our money,but can't get the product we want.What's more,the product we recieve isn't the one we have ordered online.In addition,our personal information may be let out when shopping online.是什么意思？

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