Cov xim ntawm cov khaub ncaws yoga yog qhov muag heev, tus qauv tsim qhia tau hais tias nyias ob txhais ceg, hauv ob sab phlu ntawm daim tawv nqaij xim, tab sis cov huab zoo li lub ris ntaub tuab yog nruab nrab, tsim nyog rau lub caij nplooj zeeg sab nraum zoov, sov thiab breathable thiab ob lub ris no, txawm tias koj muaj nqaij ntawm koj tus ncej puab lossis plab, tom qab hnav ...
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