Qhov tseem ceeb ntawm Kev Ruaj Ntseg Hauv Tsev : Cov kab ke kev ruaj ntseg yog qhov yuav tsum tau ua rau txhua lub tsev.Lawv ua kom muaj kev sib raug zoo hauv kev lag luam, cov khoom muaj nqis, kev txawj ntse thiab, thawj, tib neeg lub neej, kev ruaj ntseg.Cov khoom lag luam, tshav dav hlau, khw muag khoom, hauv ...
Nyeem ntxiv