postcrossing,交换明信片作为明信片,即按照信封抬头格式,另起行Room 403, Unit 2, Building 9Shangjiang Garden, Xiangjiang Century CityKaifu District, Changsha CityHunan Province, P.R.CPOB/PC(2选1): 4100081.英语地址,从小到大,倒叙2.汉语固定名词,如湖南、长沙、开福、湘江、赏江,拼音连写3.各单词首字母,大写nanjing, jiangsu province, nanjing university of finance and the court on the 8th xianlin campus suguan station 10 402 roomXiang Jiang Shi Ji Cheng Shang Jiang Yuan ,9# 2-403Kaifu,Changsha,Hunan,410008China第一行写名字Room 403, Unit 2, Building 9,Xiang Jiang Shi Ji Cheng Shang Jiang Yuan ,Kaifu,Changsha,Hunan,P.R.CHINApostal code:4100089栋二单元:Block 9, Unit 2地址应该是这样:Room 403, Unit 2, Block 9,Xiang Jiang Shi Ji Cheng Shang Jiang YuanKaifu,Changsha, Hunan, China 410008