Nws yuav tawg yog tias tsis khaws cia.Yog tias cov saw hlau maus taus tsis tau khaws cia ntev, nws yuav xeb vim tsis muaj roj thiab dej, ua rau tsis muaj peev xwm ua tiav nrog cov saw hlau maus taus, uas yuav ua rau cov saw hlau muaj hnub nyoog, tawg, thiab poob.Yog hais tias lub saw yog xoob heev, lub ...
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