Similarly, if you really want to save time you do not make cakes with an electric mixer, you buy one in a shop.
同样地，如果你真的想节省时间，你不要用电动搅拌机做蛋糕，你可以在商店买一个。
And once electric cars become commonplace, repair costs should come down, too — making an electric car a good choice for people who want to save fuel and save money at the same time.
而且一旦电动汽车变得非常普及，维修费用便也会降下来，对那些既想节省燃料有想节省金钱的人购买一辆电动汽车是一个很好的选择。
The electrovalence at the period of time is to reflect costing better, and it can not only offers one way for peak shifting and valley filling but also save electric power at peak power time.
分时电价是为了更好的反映成本，并提供一种鼓励移峰填谷的手段，同时在峰荷时段还可节约电能。
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