Adjustment to the discourse role of the expresser in verbal communication .

论言语交际中表达主体的话语角色调整。

It can be said that host is the key whether a conversation program is successful . Host is the soul of program , symbol of style , expresser of inside and finally checks .

可以说主持人是谈话节目成功与否的关键，主持人就是节目灵魂、成型的标志、风格的体现并最终把关。