As the development of new technologies,the electronic device such as e-book and MP4 for reading books or articles is getting popular in modern people's life.In this way,it saves you a lot of time,is clean because of paperless and satisfy current people's life style.Although it is more and more replacing traditional books,traditional books still have many advantages over e-books.It is more convenient for storing,it is touchable and capable of reading over and over again.In my point of view,these two ways of reading are complementary to each other.You can select your way for reading based on your needs.