Nws nyuaj siab heev uas cov menyuam kawm ntawv tau raug kaw kom lees txais kev ua tsov rog thiab tsis txhob nug txog txoj cai. Yog tias cov tsev kawm ntawv tseem ceeb suav nrog qhov no hauv cov ntaub ntawv kawm, peb yuav tsum tsim lwm lub tsev kawm ntawv rau txhua tus menyuam yaus nkag mus. Teb
Lo lus teb
Nws nyuaj siab heev uas cov menyuam kawm ntawv tau raug kaw kom lees txais kev ua tsov rog thiab tsis txhob nug txog txoj cai. Yog tias cov tsev kawm ntawv tseem ceeb suav nrog qhov no hauv cov ntaub ntawv kawm, peb yuav tsum tsim lwm lub tsev kawm ntawv rau txhua tus menyuam yaus nkag mus.