Khoom nta:
1. Zais ntswj rau saum npoo av, yooj yim thiab muaj kuab heev.
2. Muaj qhov chaw txaus loj rau ntawm lub thawv tsav tsheb rau txhua cov khoom, xaiv cov ntsia hlau qhov rau cov tsav tsheb sib txawv.
Teeb Duab & piav qhia