Step2. Turn on all the lights. Replace any burned out light bulbs.
打开所有电灯，替换废旧灯泡。
Incidentally, the replacement of burned out light bulbs work is very simple, the cost of the DIY below the maintenance station lighting system maintenance fees.
顺便提一下，更换烧坏灯泡的工作十分简单，其DIY的成本低于维修站进行照明系统维护的收费标准。
The light bulb in the bathroom burned out and father put in a new one.
洗澡间里的灯泡烧坏了，父亲装上一只新的。
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