Informal agreement
[经] 非正式协定
🧩 词语组成解析
🗣️ 情景例句
It's nice to see you again.
很高兴再见到你们。
He was anxious about his son's safety.
他担心他儿子的安全。
Instead of becoming a doctor, however, he became a successful writer of detective stories.
然而，他后来没当上医生，却成了一位成功的侦探小说作家。