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释义:高大的泰山,如果背对也会看不见;细毛的末端,如果仔细去看也能看清。
真正的英雄是那些即使害怕也坚持战斗的人。
The pursuit of mathematical knowledge is a journey that never ends; there is always more to discover and understand.
Marine conservation is not a constraint on business—it's the foundation of lasting business.