上期文章中我们探讨了表示同等关系、假设和条件关系以及选择关系的并列句,本期继续研究表示转折和对比关系以及因果关系的并列句,从而一一理顺并列句的种种关系。五、表示转折和对比关系的并列句表示同关系以及选续研究表示转的并列句,从系。对比关 In the last issue, we explored the parallel sentences that represent the relations of equivalence, hypotheses and conditions, as well as the relations of choice. In the current issue, we continued to study the relations between the transitions and the contrastive relations and the causal relations. V. Collateral Sentences Representing Transition and Contrast Relationships Collaborative Sentences and Dependent Sentences with Relevant Studies and Selected Studies Going Forward. Contrast