（十三）隐蔽从事黑灰产。操作利用矩阵账号，将网民引流到群组等环节，发布极端言论，或从事赌博、诈骗、水军、传销等违法犯罪行为。
return urls, next_url
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The Utility Regulator also welcomed the decrease and said it was the result of a fall in wholesale gas costs.
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