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Science is not just a collection of facts; it's a way of thinking.
解释:所谓把粮食积存在取之不尽的粮仓里,就是要努力从事粮食生产。
我变得疯狂,伴随着长时间可怕的清醒。
It is no use saying, 'We are doing our best.' You have got to succeed in doing what is necessary.