用吸尘器，刷子，洗地毯机清洁地垫，地毯，软包家具等。
To clean rugs, carpets, upholstered furniture, using vacuum cleaners, brooms, and shampoo machines.
城建部门想把1.8兆瓦的机器连接到城市间的高压输电网(以节省在传输途中损失的能源)，因此这些机器需要清洁地运行。
Utilities want to hook up the 1.8-megawatt machines to the grid in the middle of cities (to save the energy otherwise lost in transit), so they need to run clean.
如果不通过适当的碳价格加以纠正，低化石燃料价格就不能准确地向市场显示出清洁能源真正给社会带来盈利的能力。
If not corrected by the appropriate carbon price, low fossil fuel prices are not accurately signaling to markets the true social profitability of clean energy.
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