Ddf
[计] 数据库描述文件, 开发论证设施
🗣️ 情景例句
I have an idea that may solve the problem for him
我有个主意他也许能解决这个问题
A secret between more than two is no secret.
两人以上知道的秘密就不算秘密。
Look!Here it is!
瞧，就是这件。