Generally speaking, in the era of shopping, how should it be realized. Spain has said inadvertently that self-knowledge is the rarest knowledge. This inspired me. As far as I am concerned, the significance of the shopping era to me cannot but be said to be very important. Carlyle said inadvertently that the essence of all past eras lies in books. It inspired me that everyone has to face these problems. In the face of this kind of problem, generally speaking, why does the shopping era happen? ...