Y:I'd like to send this to Chicago.

Y:我想把这封信寄到芝加哥去。

X:Air mail or surface mail?

X:航空还是陆运呢?

Y:Air mail，please.

Y:航空吧。

X:Please put it on the Scale there.Seventy five cents.

X:请把信放在那边的称上。要0.75元。

Y:Make it special delivery，please.

Y:请用限时寄送。

X:On，then it'll be one dollar twenty dive cents.Thank you.

X:哦，那要1.25元。谢谢你。