这项革新不仅提高效率而且省电。
The innovation increases efficiency and saves electricity into the bargain.
有意思的是，该手机的使用手册仅仅1页纸长，而且比起智能手机更为省电，荷兰 John Doe Amsterdam 公司声称该手机电池待机时间能达到3个星期呢。
The manual is only one page long and, unlike its battery-hungry smartphone counterparts, the makers of 'John's Phone' claim that a single charge will provide users with three weeks' battery life.
辛格和其团队设计出一种使物件收集室内灯光的方式，不仅省电省钱，而且(在某些情况下)可以省去更换电池的麻烦。
Singh and his team designed a way for the gadgets to harvest indoor light, saving energy, money, and (in some cases) the need for replacing batteries.
应用推荐