Further on , the study attempts to account for the generic structure and the strategy choices made by the counsel . attempting to give possible explanations for the choices , we apply the privileged criterion of communicative purpose in genre and the concepts of field , tenor , and mode from three contextual dimensions in systemic functional theory to the supplement of the gsp theory 另外,在得出了辯護詞在體裁結構和語言運用方面的某些特點后,本文還采用了體裁分析的交際目的標準和系統(tǒng)理論中語境層面的“ field ” , “ tenor ” ,及“ mode ”概念對gsp理論進行補充,試圖對律師在辯護詞中體裁結構和語言策略的選擇做出合理的解釋。