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钢铁行业必须适应未来的需求。
The steel industry must adapt to the needs of the future.
Science cannot solve the ultimate mystery of nature. And that is because, in the last analysis, we ourselves are part of nature and therefore part of the mystery that we are trying to solve.
用心体会整理才能理解精确得当,所以应当沉着稳重,不然就成了口头耳边的小事,过后就忘了。事理要以典故为依据,因此必须学识广博,否则就成了随意推测,胡编乱造。