Th? cào ?i?n tho?i là m?t ph??ng th?c truy?n th?ng nh?ng v?n r?t ph? bi?n. ?? thanh toán qua th? cào th?c Hello?n theo các b??c sau: Davis has become deaf in each ears, but he had a cochlear implant positioned in his ideal ear that allows him to hear. H??ng d