Cov Hlau Tawb ntawm Tsov rog: Tam sim no Tsov rog System piav
Kev Tsov Rog Tsov Rog nyob ntawm ib pawg ntawm kev ntseeg thiab qhov tseem ceeb uas tau nyob ib ncig ntawm lub sijhawm ntev npaum li tias lawv cov lus cog tseg thiab cov nqi hluav taws xob tau txais kev tso cai thiab lawv feem ntau yog cov tsis muaj kev ncaj ncees txawm tias lawv yog qhov tseeb.
