Yuav ua li cas siv cov hluav taws tua hluav taws hauv qhov xwm txheej ntawm h...
Thaum tsis muaj hluav taws, cov khoom hauv qab no yuav tsum tau kuaj xyuas tsis tu ncua: (1) Txheeb xyuas txhua yam kev zom lossis tsis to taub lub kaw lus, li qub, thiab lwm yam; Kuaj xyuas yog ti...