translation.en: So we have new designs that are helping us take mechanical things that we used to spend energy on -- like heating, cooling etc. -- and turn them into things that we avoid spending energy on.
translation.zh: 因此我们有了新设计 帮助我们把原来需要耗能的机械性设备-- 例如暖气和制冷装置等等-- 转变成无需耗能的装置