Minh b?ch là m?t trong nh?ng ?u ?i?m n?i b?t c?a các ch??ng trình khuy?n mãi OK9, mang ??n cho ng??i ch?i nhi?u l?i ích nh? sau:The USPS made ZIP Codes to the expedient delivery of mail. Their boundaries are depending on mail routes and shipping details rather then geographic things or jurisdiction boundaries.B??c 4: H?i viên ti?n hành làm