此外，法律制度和与其密切相关的事件是新闻记者报道的重要主题。

Furthermore, the legal system and the events which occur within it are primary subjects for journalists.

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说一个与讲演主题相关并且富有戏剧性的故事，或者选用从新闻中读到的内容，比如某个架子工因为没有系好安全带而摔死了等。

Telling a dramatic story related to the subject, perhaps something read in the press. E. g. How a Scaffolder fell to death because he didn't tie on.

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本文介绍了主题追踪的相关概念和技术，设计实现了一个有效的新闻主题追踪系统，给出了实验结果。

This paper introduces concepts and techniques related to topic tracking. An effective news topic tracking system is designed and developed and experiments and results are presented.

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