Postmarking
vt. 在（邮件）上盖…的邮戳\\nn. 邮戳
🗣️ 情景例句
If negotiaton fails, then what?
万一谈判破裂，怎么办？
How much do you want to change?
您想兑换多少？
Certainly. This way, please.
当然可以。这边走。