【WiththehelpoftheInternet,shoppingisnotadifficultjob.Justclickyourmousetochoosethearticleyoulike,andtheshoppingisfinished.Youneedn'tstepoutoftheroom.Itseemseasyandquick.Butthere'salwaysatraponline.Ifyoua】

　　WiththehelpoftheInternet,shoppingisnotadifficultjob.Justclickyourmousetochoosethearticleyoulike,andtheshoppingisfinished.Youneedn'tstepoutoftheroom.Itseemseasyandquick.Butthere'salwaysatraponline.Ifyouarecareless,itwillbringyousometrouble.Youmayfindthecolorofthethingsisdifferentfromwhatyouwant,orthesizeis toosmallortoobig.Ifyouwanttobedifferent,you'dbetternotbuyclothesonline.Onceyouputontheclothesyouboughtonlineandgoout,youwillfindmanypeoplewearthesameclothesinthestreet.Soit'snecessarytobecarefulwiththeshoppingonline.

　　Whydosomepeoplelikeshoppingonline?

　　写出文中最能表达主题的句子

　　1.Whydosomepeoplelikeshoppingonline?

　　2.写出文中最能表达主题的句子