Kev saib xyuas txhua hnub yog qhov tsim nyog rau kev ua haujlwm ib txwm muaj ntawm lub tshuab tub yees. Thiab kev ua haujlwm tsis zoo ntawm tub yees yog qhov teeb meem tshwm sim rau cov neeg siv khoom lag luam. Yog li dab tsi yog vim li cas thiab kev daws teeb meem rau qhov teeb meem no?