Trading stamps
[经] 商品券
🧩 词语组成解析
[经] 交易
n. 邮票；印记；图章（stamp的复数）
🗣️ 情景例句
Where shall I put my signature?
我签在哪儿呀？
Why are you so mean? I've never done anything to you.
凶什么凶？ 我又没得罪你。
Here's my signature.
我签好了。