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1·Discourse marker is word or phrase that relate the present discourse to the prior one, whereas metadiscourse contains all the things that has nothing to do with the propositional content.

话语标记语是标示当前话语和前述话语之间序列关系的词或短语，元话语包括所有不涉及话题内容的东西。

2·Text analysis proves that the semantic space of a prepositional phrase can set up a textual frame and further functions as a textual marker.

语篇分析证实，介词短语的语义空间可以营造语篇架构，行使语篇标记功能。

3·Third, all aspects of meaning are representable in phrase. marker form.

第三，意义的各个方面都可以用短语生成的方式来描写。