Tom qab tag nrho cov khoom tau ua tiav, txhawm rau xyuas kom meej tias qhov chaw ntawm cov khoom yog huv si thiab ci, nws yuav tsum tau ntxuav thiab qhuav. Peb cov neeg ua haujlwm txawj ntse heev thiab yuav tsis ua rau cov khoom puas. Yog li ntawd, qhov zoo ntawm cov khoom yog guaranteed.
 Tshuab ntxuav |  Tshuab qhuav |
