translation.en: That is how our 2010 retrofit is saving over two-fifths of the energy in the Empire State Building -- remanufacturing those six and a half thousand windows on site into super windows that pass light, but reflect heat.
translation.zh: 沿着这个思路，我们在2010年 把帝国大厦的6500扇窗户 换成透光、反射热能的超级玻璃 由此省下帝国大厦超过五分之二能耗