<正>AS more young people born in the 1980s begin to marry, the formerly widespread belief in duozi - duofu (more children - more happiness) diminishes. To today's urban youth, establishing a career is a far more pressing priority than having children. 'I don't have time,' is 27-year-old Jing Du's answer to her husband's repeated suggestion that they have a child. She is not alone. Many married couples prefer to wait