Ntau qhov kev tiv thaiv thiab kev ua haujlwm hauv tsev laus, ua tau raws li cov kev xav tau niaj hnub hauv tsev kho mob.
Kev ua haujlwm zoo, ua kom zoo nkauj, thiab tsim qauv yooj yim txhawb kev saib xyuas kom nyab xeeb thiab ua haujlwm zoo.
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