Xov xwm kev lag luam
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Khaub ncaws yam ntxwv
Khaub ncaws yog ib yam khoom tshwj xeeb.Nws muaj ntau pawg, sib txawv ntawm cov xim, cov xim zoo nkauj, cov khoom siv raw nrog cov kev ntxhib los mos sib txawv, thiab txawm tias muaj kev cuam tshuam ntawm cov khoom lag luam.Cov yam ntxwv tseem ceeb ntawm cov khaub ncaws yog cov lus piav qhia tag nrho ntawm cov yam ntxwv tseem ceeb ntawm cov khaub ncaws.Cov cwj pwm ...Nyeem ntxiv