Cov taw ntawv

a Tseem ceeb heev rau peb ua neeg txo hwjchim. Txo hwjchim yog li cas tiag? Vim li cas peb yuav tsum xyaum ua neeg txo hwjchim? Thaum twg yuav tsis yoojyim txo hwjchim? Zaj no peb yuav kawm txog cov lus nug no.