References
Behrens, H. (2009). Usage-based and emergentist approaches to language acquisition. Linguistics, 47(3), 383-411.
Chen, C., Hui, X., & Wei, X. (2016). An analysis of hedges in learning terms from the perspective of cross-cultural rhetoric. Theory and Practice of Foreign Language Teaching, 4, 36-43.
De Bot, K., Lowie, W., & Verspoor, M. (2007). A Dynamic Systems Theory approach to second language acquisition. Bilingualism: Language and Cognition, 10(1), 7-21.
Duan, S. (2011). A study on the use of hedged chunks in Chinese college students' oral English under the framework of Complex Systems Theory. Foreign Language World, 6, 45-53.
Hinkel, E. (1997). Indirectness in L1 and L2 academic writing. Journal of Pragmatics, 27(3), 361-386.
Lakoff, G. (1973). Hedges: A study in meaning criteria and the logic of fuzzy concepts. Journal of Philosophical Logic, 2(4), 458-508.
Larsen-Freeman, D., & Cameron, L. (2013). Complex systems and applied linguistics. Shanghai Foreign Language Education Press.
Prince, E., Frader, J., & Bosk, C. (1982). On hedging in physician-physician discourse. In R. D. Pietro (Ed.), Linguistics and the professions (pp. 83-97). Ablex Publishing Corporation.
Swales, J. M. (1990). Genre analysis: English in academic and research settings. Cambridge University Press.
Wang, J., & Lv, Z. (2016). A study on hedges in academic English writing for Chinese science and engineering doctoral students. Foreign Language Teaching, 37(5), 52-56.
Wang, J., & Sun, F. (2018). A study on the use of moderating hedges in spoken academic English. Foreign Language Teaching, 39(3), 66-70, 77.
Wang, M., & Liu, D. (2013). A study on the use of position marker lexical blocks in Chinese learners' English academic paper manuscripts. Modern Foreign Languages, 36(2), 209-218.
Wen, Q., Liang, M., & Yan, X. (2008). A corpus of Chinese students' oral English (2nd ed.). Foreign Language Teaching and Research Press.
Wu, G. (2011). Definition, classification and recognition of hedges. Journal of Chongqing University of Posts and Telecommunications (Social Science Edition), 23(3), 135-139.
Xie, M. (2009). The nature and development of L2 mental lexicon. Language Teaching and Research, 4, 71-76.
Yang, K. (2022). Investigation and analysis of the credibility construction function of hedges: A case study of academic discourse. Journal of English Language Teaching, 15(2), 45-53.
Yu, F. (2021). A comparative analysis of hedges in English abstracts of Chinese and foreign materials science papers. Science Editing, 8(1), 56-63.
Zadeh, L. A. (1965). Fuzzy sets. Information and Control, 8(3), 338-353.
Zhang, Y. (2008). A study on the correlation between L2 learners' recognition ability of prefabricated chunks and their L2 proficiency. Foreign Language World, (03), 62-66.
Zhang, Y. (2020). The influence of frequency and semantic transparency on Chinese native speakers' and advanced learners' processing of lexical chunks. Journal of PLA University of Foreign Languages, 43(4), 35-43.