Cov ntaub ntawv zoo tshaj plaws yog sau los ntawm poj niam
Cov ntaub ntawv zoo tshaj plaws yog sau los ntawm cov poj niam lossis, tsawg kawg, cov poj niam sau ntawv tsuas yog nthuav thiab ntxim nyiam li txiv neej. Qhov no yog qhov tseeb uas tau lees paub los ntawm cov khoom muag thiab kev vam meej ntawm cov neeg sau ntawv thuam uas ntau tus kws sau ntawv tshiab tau ua tiav ...