 SHANGHAI, July 18, 2019 PRNewswire -- Recently, British Council, UKs international organization for cultural relations and educational opportunities, and Centre for Research in English Language Learning and Assessment CRELLA of University of Bedfordshire, a leading research center in the areas of language proficiency and language assessment, have released a joint research study titled Language learning gains among users of English Liulishuo. The study indicates that after an average of 36.88 hours study with English Liulishuo, an AI-powered English learning mobile app, the flagship product of LAIX Inc. LAIX, 72 of participants improved their test scores, with about 40 of participants progressing at least to the next higher level of the Common European Framework of Reference for Languages CEFR, guideline used to describe achievements of learners of foreign languages across Europe. 