C65 The China Knowledge Network Began to be Established

Su Jianguo nodded and looked at Cheng Jianjun, "Jianjun ah, all of these technologies. . . At the end of the day, it is still the human body. What is the ultimate purpose of our railway technology, in particular? Isn't it just to let the passengers ride the train in peace? [If we forget our original intention and forget our lives and safety first. .