Cov dev loj dua thiab hnyav dua yuav ua rau mob caj dab thiab pob txha kab mob thaum lawv muaj hnub nyoog, ua rau lawv lub cev tag nrho cov tawv nqaij thiab txav tau yooj yim. Yog tias tsim nyog, nws yog ib qho tsim nyog yuav tsum tau thov ib tus kws kho tsiaj kom sau cov tshuaj tua kab mob kom txo tau qhov mob thiab tsis yooj yim ntawm tus dev.
