I'd like to make it special delivery. 我想寄限时的。 May I have postage stamps for three airmail cards to Taiwan? 请给我寄到台湾的3张航空信的邮票好吗? How much will it to be by airmail? 寄航空的要多少钱? How much is the postage on this? 寄这封信的邮资是多少? How long will it take by seamail? 用海运寄要多长时间? A:I'd like to send this parcel to Taiwan by seamail. 我想用海运寄这包裹到台湾。 B:A customs declaration is required. Please fill out this form. 要海关申报,请填这表格。