Qhov kev sib sau thiab qib ua yog cov kauj ruam tseem ceeb kom ntseeg tau tias cov khoom tuaj yeem kho kom tau raws li cov kev xav tau tshwj xeeb thiab cov neeg siv khoom tshwj xeeb ntawm txhua tus neeg siv khoom. Thev naus laus zis thiab cov tswv yim siv nyob rau hauv cov txheej txheem kom ua tiav cov duab uas xav tau thiab qhov loj me ntawm txhua cov khoom lag luam, ua kom muaj txiaj ntsig zoo thiab ua tau zoo.
