【摘要】 在商业性投资活动中，时常会用到一种投资策略，就是“循环投资”。与其他投资策略相比，循环投资所产生的经济效益在短期内很难看到。但是，从长期来看，循环投资的经济效益可能更大，因为它符合“边际成本等于边际效益”的经济学原理。其实，这一经济学原理在语言活动中，特别是在修辞活动中也时有运用。比方说，层递修辞文本的建构，从语言资源配置的视角来看，就是一种循环投资的语言行为，符合“边际成本等于边际收益”的经济学原理。它的最大特点就是以极大的语言资源投入，实现修辞效果的最优化表现。从经济学的视角来看，就是追求投资与产出的平衡。更多还原

【Abstract】 In commercial investment activities, a frequently employed investment strategy is “circular investment.” Compared to other investment strategies, the economic benefits of circular investment are often not immediately apparent in the short term.However, in the long run, the economic benefits of circular investment may be greater, as it conforms to the economic principle of“marginal cost equaling marginal benefit.” In fact, this economic principle is also applied in linguistic activities, particularly in rhetorical activities. For instance, the construction of climactic rhetorical texts, from the perspective of language resource allocation,is a linguistic behavior of sequential investment that aligns with the economic principle of “marginal cost equaling marginal benefit.”Its most prominent feature is the optimization of rhetorical effects through substantial investment in language resources. From an economic perspective, it pursues a balance between investment and output.更多还原