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一个命题的证明是一种性质使得我们相信该命题的过程。
A proof of a proposition is a process the nature of which is such as to produce in us a belief in that proposition.
做出伟大工作的唯一方法就是热爱你所做的事。
Innovation is the key to staying ahead in the fruit industry.
安全生产是煤炭行业的生命线,任何时候都不能放松。