Nees nkaum tsib xyoos dhau los, cov tuam txhab uas muab tsis tau raws li cov neeg siv khoom xav tau feem ntau tau txais tsab ntawv npau taws los ntawm cov neeg siv khoom. Lawv lub chaw pabcuam cov neeg siv khoom tuaj yeem tsis quav ntsej tsab ntawv, thiab qhov ntawd yuav yog qhov kawg ntawm zaj dab neeg. Tus neeg siv khoom yuav qhia ob peb tus phooj ywg. Rau feem ntau, cov tuam txhab loj xws li cov dav hlau tuaj yeem tawm mus nrog kev xa…