Tsis yog khoom siv nta
Mar 28, 2018
1, ib qhov kev pabcuam siab heev, tsis muaj kev ua haujlwm;
2, kev ua hauj lwm siab, ua kom muaj kev lag luam ntau ntxiv;
3, tag nrho tus txheej txheem ntawm cov txheej txheem ntau lawm yog ruaj khov, txhim kho cov khoom sib xws;
4, tsim kom muaj huab hwm coj ntau, txo cov tuam txhab cov nqi tsim.
