 SHANGHAI, April 27, 2021 PRNewswire -- LAIX Inc. LAIX or the Company NYSE: LAIX, an artificial intelligence AI company in China that creates and delivers products and services to popularize English learning, today announced its unaudited financial results for the fourth quarter and full year ended December 31, 2020. Fourth Quarter 2020 Financial and Operating Highlights Gross billings1 for the fourth quarter of 2020 were RMB171.1 million US26.2 million, a 33.4 decrease from RMB257.1 million for the previous quarter and a 50.0 decrease from RMB341.9 million for the same quarter last year. 