“…For a long time, due to the limitations of research perspectives, methods, and tools, it has been difficult to break through the quantitative and qualitative bottlenecks in the study of source material borrowing process, so the borrowing process of the source material is still a direction that needs to be continuously explored (Homayounzadeh et al, 2019) [11] . On the one hand, scholars can draw on the research results of cognitive psychology on the cognitive-psychological processes of reading and writing Published by Francis Academic Press, UK -82-in the study of second language acquisition, conduct research on the sub-processes of source material borrowing in the comprehensive writing test from a cognitive perspective, explore the cognitivepsychological processes of source material borrowing (Ohta et al, 2018) [16] , and propose a cognitive theoretical model with explanatory power, so as to better guide the practical research on the borrowing process.…”