Kuv puas tuaj yeem siv whiteboard marker ntawm daim iav?
Yog lawm, qhov no kuj yog ib qho ntawm cov xwm txheej siv, thiab peb cov khoom tau yooj yim tshem tawm txawm tias ntawm daim iav.
Sau koj cov lus ntawm no thiab xa tuaj rau peb
Yog lawm, qhov no kuj yog ib qho ntawm cov xwm txheej siv, thiab peb cov khoom tau yooj yim tshem tawm txawm tias ntawm daim iav.
