I have found it quite different here from China since I came to the United States .   What's the difference ?   Some friends of mine took me to the mall to go shopping . It was so big . I think I could get lost if I went there alone .   You must have bought many things in the mall ?   Not really many . I was told that on weekends there were always the flea markets , so I decided to come to the flea market to buy a bargain .   It's wise to do it . The Americans have the habit of selling their junk when they are moving to another place , so they usually display all the things they want to sell in their gardens at the weekend . And many things they are selling still look quite new and they are also very useful . 