When I drive to work in the morning, I usually meet three young people who sell newspapers. Each of them has his own newspaper selling strategy. But one of them can always sell out the newspaper first. In fact, the other two are in a much better position than him. As I passed by the newsman day after day, I gradually realized that his success had nothing to do with his chosen position. The first newspaper seller always stands at the T-junction, and his face is always sad. When the passenger w...