About the Authors

Yating Tao

Roles Conceptualization, Formal analysis, Methodology, Visualization, Writing – original draft

Affiliation Centre for English Corpus Linguistics, Université catholique de Louvain, Louvain-la-Neuve, Belgium

Qian Shen

Roles Conceptualization, Validation, Visualization, Writing – review & editing

shenqian@ncepu.edu.cn

Affiliation Department of English, North China Electric Power University, Baoding, China

Competing Interests

The authors have declared that no competing interests exist.