Kev ruaj khov nyob rau hauv ntim yooj ywm Kev ruaj khov hauv kev sau tau ntim tau yooj yim nrog nws cov khaub ncaws hnav thiab hloov tau zoo thiab yooj yim los ua kev lag luam ntim khoom. Kev ntim khoom siv tsis yooj yim yog tsis tsuas yog ib daim ntawv yooj yim ntawm kev ntim, tab sis kuj tseem ua ntej tus thawj coj ntawm kev lag luam ntim khoom, thiab nws txoj kev loj hlob
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