Kev sab laj

Muab cov neeg siv khoom nrog kev tshaj lij, daim ntawv thov thiab kev sib tham txog nqi (ntawm Email, Xov tooj, Whatsapp, WeChat, Skype, thiab lwm yam). Teb sai sai rau cov lus nug uas cov neeg siv khoom txhawj xeeb txog.