US First Lady Melania Trump and China's First Lady Peng Liyuan watch an English-language class during a visit to Banchang Primary School in Beijing on November 9, 2017. Nearly 300 million people in China are reportedly taking English-language courses. Photo: Reuters
Former Google engineer returns to China to start English-language teaching app
The Liulishuo virtual English teacher app, used by 50 million people in China, will correct grammar and pronunciation until it is right