A few years ago, almost no Chinese scholar challenged the principle of nonintervention, of infringing on the sovereignty of other nations.

几年前，“不干涉他国内政”、“不侵犯他国主权”等原则罕有学者挑战。

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A few years ago almost no Chinese scholar challenged the principle of nonintervention of infringing on the sovereignty of other nations.

仅在几年以前，几乎都没有中国学者敢去挑战不干涉不侵犯别国主权的原则。

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