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在能源危机的阴影下,节能成为了一个沉重的话题,但同时,它又是一个充满希望的话题,因为现代科技的发展从中获得了新目标。
In the shadow of the energy crisis, energy conservation has become a heavy topic, but at the same time it is a promising topic because the development of modern science and technology has gained new goals.