As a saying goes, “Young men fight to death for victory, but old men make dialogue for it,” each individual man is extraordinary in his own way regardless of age, gender or any other hindrance that society presumes, if he or she contributes to the benefits of the country and the world. If so, when there are a relatively larger number of young adults than older people in some countries, they have their advantages and disadvantages in their own ways for the sake of society and the world.