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
Do you have any evidence?
你有什么证据？
The face is the index of the mind (or heart).
相为心证。
Come to school in your old clothes tomorrow!
明天上学时请穿旧衣服来！