translation.en: This could tilt the geopolitical balance on its head, make it very difficult for a nation to turn its firepower against an attacker, and that could shift the balance in the 21st century away from defense and toward offense.
translation.zh: 这将导致地缘政治失衡并倾向一头， 使一个国家很难将其火力 对准攻击者，这可能会令21 世纪的平衡 从防御走向进攻。