Without changing light fittings, the cheapest direct replacement for an incandescent bulb at the moment is a compact fluorescent light (CFL).
不用换灯口,目前白炽灯泡的最廉价直接替代品是荧光灯(CFL).
Change your light bulbs: Use compact fluorescent light bulbs (CFL) instead of the standard light bulbs.
更换你的灯泡：使用紧凑型荧光灯泡(CFL的灯泡)代替标准白炽灯灯泡。
Change your light bulbs: Use compact fluorescent light bulbs (CFL) instead of the standard light bulbs.
更换你的灯泡：使用紧凑型荧光灯泡(CFL的灯泡)代替标准白炽灯灯泡。
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