Unbe
vi.<古>不复是,不存在 \\nvt.<废>使不复是
🗣️ 情景例句
so I can study it.
以便我好好研究。
It's difficult to make a decision whithout knowing all the facts.
不了解所有事实而做出决定是困难的。
What's the deadline?
截止到什么时候？