Y: I'd like to send this to Chicago.
X: Air mail or surface mail?
Y: Air mail, please.
X: Please put it on the scale there. Seventy five cents.
Y: Make it special delivery, please.
X: Oh, then it'll be one dollar twenty five cents. Thank you.
Y:我想把这封信寄到芝加哥去。
X:航空或陆运呢?
Y:航空好了。
X:请把信放在那边磅称上。要七毛五。
Y:请用限时寄送。
X:哦,那要一块二毛五。谢谢你。