目前主要研究方向：系统功能语言学理论与应用。
His present research fields are SFL theory and applications in social cognition.
运用系统功能语言学理论从语用层面分析了语言的隐喻使用。
This paper applies systemic functional linguistics to the analysis of metaphorical use of language at the pragmatic level.
根据韩礼德的系统功能语言学理论，语气和情态是人际功能的主要体现方式。
According to Halliday's SFL, the linguistic devices to realize interpersonal meaning are mood and modality systems.
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