Design and Implementation of the Development of a Corpus-based Loose-leaf Textbook for Higher Vocational English Learners: Using the Cross-border E-Commerce Operations English as an Example. IJONSES [Internet]. 2023 Jan. 20 [cited 2025 Sep. 5];5(1):132-5. Available from: https://ijonses.net/index.php/ijonses/article/view/2047