Oneupmanship
单利现象
🗣️ 情景例句
Thank you. I don't believe this.
谢谢。我简直不敢相信。
How much for a one-way ticket to shanghai?
去上海的单程票多少钱？
No, I'm just looking at the menu. Are you hungry?
还没有，我正在看菜单。你饿了吧？