$51Talk(COE)$51talk 营收和交易额继续保持100%以上的高速增长,K12占比已经跃升64.4%。现金流已经转正。跑马圈地初具成效,加油⛽️Fourth Quarter 2016 Financial and Operational HighlightsGross billings were RMB285.5 million (US$41.1 million), a 125.5% increase from RMB126.6 million for the fourth quarter of 2015.Net revenues were RMB128.2 million (US$18.5 million), a 131.8% increase from RMB55.3 million for the fourth quarter of 2015.Gross margin was 64.6%, compared with 62.0% for the fourth quarter of 2015.Percentage of gross billings contributed by K-12 students was 64.4%, compared with 34.8% for the fourth quarter of 2015.