外国朋友，您好，可以寄给我100美金，我再寄回100人民币，我们互换作为纪念币。中美友谊天长地久
Hello, foreign friends, you can send me 100 US dollars, and I will send back 100 RMB. We can exchange them as commemorative coins. From then on, the Sino-US friendship will last
Hello, foreign friends, you can send me 100 US dollars, and I will send back 100 RMB. We can exchange them as commemorative coins. From then on, the Sino-US friendship will last