Ib daim ntawv qhia theem pib rau cov khoom ntim qis qis rau kev tsim khoom yas
Ib qho kev qhia nkag mus rau cov khoom ntim tsis tshua muaj pwm rau cov khoom siv yas uas tsis muaj ntim ntau lawm pwm yog siv rau kev tsim tshwj xeeb hauv kev tsim khoom. Cov pwm no tsis yog siv rau kev tsim khoom loj. Lawv siv los ua kom haum rau kev tsim khoom raws li cov neeg siv khoom thov....