On the other hand, Du Bois's social experience had him know the inequality between the black and the white in fact.

另一方面，杜波依斯个人的社会经历又使他看到黑、白两个世界事实上的不平等。

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Ruoyin brain fall impact, can harm the brain tissue, causing blood stagnation on the one hand, Du and the context of brain damage, tendons dystrophy is clonic seizure;

若因脑部跌倒撞击，可使脑部组织受到伤害，一方面致使气血凝滞，督脉与脑部脉络受损，筋脉失养则阵挛发作；

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