Pre-contract
[经] 合同前阶段
🧩 词语组成解析
abbr. 炼油工程师（Petroleum Refining Engineer）
🗣️ 情景例句
He has had various experiences in his life.
他的生活经验丰富。
Don't know how to play the game.
不上道。
You're welcome.
不客气。