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解决困惑已久的问题、进行一项创造性的实验突破或设计一个科学的实验,想通过凭空的思索、举手之劳就可获得,那是不切实际的.这一切的取得,都需要付出艰辛的劳动.
It is unrealistic to solve the long-puzzled question of conducting a creative experiment breakthrough or designing a scientific experiment that we can obtain by means of empty thinking and laborious work. All this has to be done with hard labor .