[speaker001:] Would you like to mail it by air or sea?
[speaker002:] Hmm... How long will it take to mail things to the USA by air?
[speaker001:] About 10 days. You can send it express mail if you need it faster. It will only take three or four days.
[speaker002:] I want to send it by express mail. The faster, the better.
[speaker001:] OK, the postage is 275 yuan.
[speaker002:] Here you go.
[speaker001:] This is the receipt, please keep it. Have a good day.
[speaker002:] Thanks.