Undocumented
a. 无正式文件的, 无事实证明的
🗣️ 情景例句
A movie!
电影！
Just pretend I didn't say anything.
就当我什么也没说过。
All right. Just for a minute. I came to give you a message.
好！稍等一会儿。我来给你捎个口信。