话语标记无固定形式,位置灵活,功能多样。话语标记具有语篇功能和人际功能。说话的过程就是一个推理的过程,这种推理必须建立在相关性的基础上。因此,说话人必须遵守关联原则,尽可能使自己的话语与语境相关。人们在对话中还应遵循相互协同的原则,协同能促进话语理解,维持话语连贯。 Discourse markers no fixed form, flexible location, functional and diverse. Discourse markers have discourse and interpersonal functions. The process of speaking is a process of reasoning, which must be based on relevance. Therefore, the speaker must abide by the principle of association, as far as possible to make their own discourse and context. People in the dialogue should also follow the principle of mutual cooperation, synergy can promote the understanding of words and maintain discourse coherence.