“…In the last couple of decades, Chinese has been increasingly taught and learnt as an important second or foreign language both within and outside China. Commensurate with this considerable growth in learners of the language, studies have yielded important insights into critical issues in relation to the cognitive and sociocultural aspects of Chinese language learning (e.g., Fan & Li, 2018;Liu, 2014;Qi & Lai, 2017;Zhang & Roberts, 2019), Chinese language teaching pedagogy (e.g., Curdt-Christiansen, 2008;Shao, 2013;Zhao, 2016), language policy and planning (e.g., Chen, 2013;Loh, Tam, & Lau, 2019;Lu et al, 2017), language testing (e.g., Ke, 2006;Li & Li, 2014), and Chinese language teacher education and professional development (e.g., Gong, Hu, & Lai, 2018;Ke, Lu, & Pan, 2015;Lai, Li, & Gong, 2019;Wang & Bale, 2019;Yang, 2019). Research findings on the acquisition of Chinese as a second or foreign language (CSL/CFL) have contributed to the theoretical discussions on second language (L2) acquisition by verifying, challenging or proposing modifications to existing L2 theories and models (J. H. Zhao, 2011).…”