Of course, this last step could be optional if your garage is equipped with the latest wireless battery charger connecting car and A.C. power grid automatically.
当然，如果你的车库自动地配备了最新型的无线电池充电汽车以及交流电网，最后一个步骤可以省去。
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Of course, this last step could be optional if your garage is equipped with the latest wireless battery charger connecting car and A. C. power grid automatically.