Mainland a Favorable Destination for Students from HK, Macao, TaiwanChina's Social Security Fund Reaps 4.27 Pct Investment Return in 2021China's Annual Marriage Registrations Drop at Lowest Since 1986Unemployment Rate Falls, Still High in Young GroupsChina Scales up Support for Elderly Care, Childcare IndustriesChina Aims to Build More Pocket Parks in 2022China Aims to Build More Pocket Parks in 2022Tsinghua Tops Global Ranking in Three SubjectsFreshmen Come to Register at Peking UniversityChina's Social Security Fund Reaps 4.27 Pct Investment Return in 2021