Researches on discourse can be traced back to ancient Greek and ancient Chinese scholar-ship.In recent years,relevant researches in China have been heating up,but systematic studies on their basic theories are weak.In our view,discourse is a form of expression produced in a certain so-cial environment with some specific content and social functions,using language as the major medi-um;while a discourse system is a composite form of discourse consisting of a system of thought and a corresponding system of expression arising from a systematic understanding of objects or phenomena;terms are basic representational units of knowledge composites with cognitive properties,intellectual value,referential features and social functions."Terms-Discourse-Discourse System"work as an inte-grated whole that complements each other.The construction of a Chinese discourse system urgently needs to inspire cultural self-confidence and theoretical self-awareness so as to break out of the shack-les of the Western theoretical mould.It is also necessary to focus on intellectual innovation and theo-retical refinement to give a soul to the discourse system,strengthen the refinement,generalization and naming of key terms to build a foundation for the discourse system,and enhance the communica-tive capacity of discourse to add wings to the discourse system.
termsdiscoursediscourse systemsocial function of discourseconstruction of a dis-course system
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