N.You know that indestructible black box that is used on airplanes?why don\'t they make the whole plane out of that stuff?
N.You know that indestructible black box that is used on airplanes?why don\'t they make the whole plane out of that stuff?
你知道那个用在飞机上的＂不会被摧毁＂的黑匣子吧？为什么他们不把整架飞机都造成那种材料的？