This sense of crisis comes from the bone marrow and is also reflected in everyone!
Let me tell you a story: Mitsubishi Heavy Industries is a Japanese company that produces Type 90 tanks. Although Type 90 tanks are no longer produced, Mitsubishi sends special personnel to repair and maintain this production line at least once a year. Someone asked them why they wasted money like this, and Mitsubishi's answer was: "I don't want to be a sinner of the Japanese nation during the war!" " "