THE past nine years have been the most fulfilling and fruitful period for a young Chinese couple—Liu Chuang and Ye Yutong.From two strangers embarking on a new university life in 2011,they became friends,ventured into the business world together,and then got married.Now,parents of two children,Liu and Ye are still balancing well their various hats of responsibility in life.Their tech start-up focusing on facial recognition technology has survived the hit of the COVID-19 epidemic and grown more resilient as a result.Liu is about to finish his doctorate degree program at the Northwestern Polytechnical University(NWPU)in Xi’an,capital city of northwest China’s Shaanxi Province.