The energy concept ensures an optimal use of renewable energy using the sun, both for cooling in summer and to improve pump operation in the winter.
这套能源概念保证了太阳，这一可再生能源的最佳利用方法，既可以在夏天制冷，也能在冬天提高泵的运作效率。
But tell me, Yu-ting, have you come here to talk terms with me on behalf of Wu Sun-fu, or just to pump me?
可是，玉亭，今天你是带了荪甫的条件来和我交涉呢，还是来探探我的口风？
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