Lub tuam txhab muaj cov txheej txheem txheej txheem niaj hnub no thiab chaw ua haujlwm ib puag ncig, txhua yam khoom lag luam tau tsim thiab tsim kev ywj pheej. Qhia cov khoom tau ntse tshaj yog cov khoom siv kev tiv thaiv tsis siv neeg, siv cov khoom siv ua lej, peb muaj peev xwm tsim cov khoom lag luam zoo.
