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Dab tsi yog fiber ntau txhuam hu rau tshuab? Txhuam txhuam hniav yog qhov tsim tshwj xeeb ntawm kev sib txuas hluav taws xob. Tsis zoo li kev siv thev naus laus zis ib txwm muaj, txhuam cov iav yog ib pawg ntawm cov hlau sib txawv (cov xov hlau) uas tau sib sau ua ke thiab txiav mus rau hauv lub raj yas. Lawv muaj qhov xav tau ntau dua ntawm ...Nyeem ntxiv »