Less than five per cent of daylight filters into the average building, and energy-efficient light bulbs are an 'unmitigated disaster' due to their lack of intensity.
阳光经过建筑物这个过滤器过滤后，进入到房间内的光线平均还不到百分之五，节能灯泡的光线强度简直就‘更可怜了’。
Less than five per cent of daylight filters into the average building, and energy-efficient light bulbs are an 'unmitigated disaster' due to their lack of intensity.
阳光经过建筑物这个过滤器过滤后，进入到房间内的光线平均还不到百分之五，节能灯泡的光线强度简直就‘更可怜了’。
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