Autonomous robotic weapons are such a tool, except that, by requiring very few people to go to war, they risk re-centralizing power into very few hands, possibly reversing a five-century trend toward democracy.
自主机器人武器就是这样一个工具， 除此之外，通过只需要很少的人去打仗， 他们的风险在于权力可能重新回到少数人手里， 可能扭转五个世纪的民主潮流。