孙伟在某大学社区开了一家书店。开业一年多来,他诚信经营,薄利多销,并且与校方联合举办了一系列读书活动,使书店的生意越来越红火。孙伟开书店之前,这个大学社区已经有三家书店,由于他经营有道,其他三家书店便受到了冲击。后来,这三家书 Sun Wei opened a bookstore in a university community. Opened more than a year, he integrity management, small profits but quick turnover, and jointly organized with the school a series of reading activities, bookstore business more prosperous. Before Sun Wei opened the bookstore, there were already three bookshops in this university community. As he operated well, the other three bookshops were hit. Later, these three books