Kev sim-thiab-kuaj cov khoom siv kho hniav kuaj xyuas rau feem ntau, yog tias tsis yog tag nrho, ntawm cov haujlwm tsis tu ncua.
Kev sim-thiab-kuaj cov khoom siv kho hniav kuaj xyuas rau feem ntau, yog tias tsis yog tag nrho, ntawm cov haujlwm tsis tu ncua.