Setup is simple with a simple on/off switch on both devices getting them going.
的设置是简单的与这两个设备让他们正在进行一个简单的通/断开关。
With a switch, you can turn electricity on or off easily.
藉由一个开关，你能容易地打开或关闭电力。
Something's wrong with the switch. He turned the light off, but it stayed on.
开关出了毛病，他关了开关，可灯还是亮着。
Something's wrong with the switch. He turned the light off, but it stayed on.
开关出了毛病，他关了开关，可灯还是亮着。
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