The word of the day, without pollution.
天之道，利而不害。
As a new and renewable energy, solar energy is clean to the environment without pollution.
作为新能源和可再生能源的重要组成部分的太阳能，是对环境不产生污染的洁净能源。
The cost of that technology is low and without pollution.
该技术生产成本低，且无污染。
The green environmental protection without pollution, cold light source design, no heat radiation.
绿色环保无污染，冷光源设计，无热辐射。
The green environmental protection without pollution, cold light source design, no heat radiation.
绿色环保无污染，冷光源设计，无热辐射。
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