Undis
[计]= UN Documentation Information System,联合国文献资料系统
🗣️ 情景例句
Maybe you read our ads in the newspaper.
也许你在报纸上看过我们的广告。
At what time can we work out a deal?
我们什么时候洽谈生意？
My coat and my umbrella please.
请把我的大衣和伞拿给我。