设计通常只用一次，大部分建筑物不节能，建筑行业浪费严重，而许多建材简单地一扔了之。

Designs are often used only once, most buildings are not energy-efficient, the industry produces a lot of waste, and many materials are simply thrown away.

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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.

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变风量系统因其节能、舒适、安全以及好的灵活性而被广泛应用于各类建筑物。

Variable air volume systems have been widely used in various kinds of buildings due to their energy-savings, comfort, safety and good flexibility.

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