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秋天已经结束,白昼仍然漫长,王粲(字仲宣)怀念远方的心情更加凄凉
The investor's chief problem—and even his worst enemy—is likely to be himself.
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
保持好奇心并在整个生命中不断学习是很重要的。