... mudn. cin thiet - khong can thiet ) cua nhung gia tn, nhung ehuln muc ung xir ma ca nhin hay xa hoi da quy gan cho chung Trong tuong quan vdi nhung gia tri, ehuln muc khac trong he thdng. ... dpng thuc tidn nhu la sii thd hien khach quan he gia tri ciia ea nhan kh6ng phli la sir phin anh do'n giln he gia tri do. Dd hidu dupe thir bac cac gia tri trong he gia tri ciia ... (vdi nhiing quy mo khcic nhau nhu gia dinh, dong hp. lang xa. tpc ngudi, qudc gia, nhan loai ) va vdi ban than - nhung khu6n mlu hanh vi ung xir thd hien nhung net tam ly da trd thanh...