科研之友
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摘要
<正>Wherever you are, and whoever you may be, there is one thing in which you and I are just alike, at this moment,and in all the moments of our existence.We are not at rest;we are on a journey.Our life is not a mere fact;it is a movement, a tendency, a steady, ceaseless progress towards an unseen goal.We are gaining something, or losing something,
