Watch your electricity usage as well.
同时也要注意你的用电习惯。
Sure enough, less TV equals less electricity usage.
少看电视，用电当然就少了。
One third of electricity usage in the world is in China.
中国的用电量占全世界的三分之一。
This means that electricity usage is dependent on the temperature an independent variable.
这就表明电量的使用情况的多少是依赖于温度的影响的。
As with electricity, they can increase their usage quickly and easily.
同时可以迅速又便捷地增加使用量。
The electricity has manifold usage.
电有很多用途。
The electricity has manifold usage.
电有很多用途。
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