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    Although science has no national boundaries, scholars have their own countries
    0:14

    Although science has no national boundaries, scholars have their own countries

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    If anyone plays in life, he will never succeed
    0:14

    If anyone plays in life, he will never succeed

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    Cherish the equality of love, don't mix with individualism
    0:25

    Cherish the equality of love, don't mix with individualism

     2  views