有什么低成本，或者接近无成本的措施能够被执行去减少学校的能源消耗？
What low cost, no cost measures could be taken to reduce the school's energy use?
有什么低成本，或者接近无成本的措施能够被执行去减少学校暖气设备的能源消耗？
What low cost, no cost measures could be taken to reduce the energy used for heating in the school?
有什么低成本，或者接近无成本的措施能够被执行去减少学校冷气设备的能源消耗？
What low cost, no cost measures could be taken to reduce the energy used for cooling in the school?
一些公司认为通过使用添加剂，他们可以降低成本，或提高利润，他们根本没有想过这样做对消费者有什么样的影响。Ross说。
Some companies see that by using additives, they can cut overhead costs or boost profit margins, and they merely aren't thinking about the affects the additives will have on consumers, Mr. Ross says.
在低成本住宅建筑中所使用的建筑材料，有什么样的趋势？
What are the trends in construction materials used in low-cost housing?
在低成本住宅建筑中所使用的建筑材料，有什么样的趋势？
What are the trends in construction materials used in low-cost housing?
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