Cov ntaub qhwv

Raws li ib qho ntawm cov ua cov ntaub qhwv uas txias thiab cov chaw muag khoom hauv Suav teb, peb sov siab txais tos koj los yuav cov khoom sib tw los ntawm peb cov khoom lag luam zoo rau peb rau cov khoom pheej yig ntau {1}