Thaum tus tswv ntawm kev lag luam vaj tsev xav sib tham txog kev muag khoom, tus neeg yuav khoom feem ntau muaj lub tswv yim dav dav ntawm qhov lawv txaus siab them. Lub tswv yim no feem ntau qhia txog kev tshawb nrhiav thiab kev tshuaj xyuas tsawg ...