它不同于日常谈话，有其独特之处，即每次谈话的话语话题一般是事先设定的，而且为使谈话节目圆满进行，谈话参与者更加遵循合作原则，从而给电视谈话的话题层次和推进模式带来影响。

The topic of the talk is usually chosen beforehand and the talkers must cooperate well in order to put forward the talk smoothly. The topic hierarchy and its progressive mode will then be influenced.

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