System nta:
1. Kev ntsuam xyuas nrawm.
2. Ib-nyem tsis siv neeg xeem ntawm txhua qhov tsis muaj.
3. Txiav cov ntawv ceeb toom thiab txuag cov ntawv ceeb toom
Nrhiav kom tau cov khoom:
Tuaj yeem sim cov hwj huam ua kom zoo dua, cuam tshuam nrog, muaj zog, sib npaug
Fais fab nkhaus:
Los ntawm maj mam hloov ntawm lub tswv yim rhiab, lub zog curve ntawm cov zis fais fab hloov pauv tau.
Lub Sijhawm Post: Jul-03-2023