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Efficiency in mining isn't just about speed; it's about doing more with less waste.
解释:货卖完了才知道不足,是由于不懂得计量;事情结束了才知道有余,是由于不懂得调节。
Technology is the bridge between traditional energy and a sustainable future.
出自《海国图志·卷首》。地气和天时变化了,那么历史的体例也应随着时代的变化而变化。