Unstability
[计] 不稳定性
🗣️ 情景例句
I want to pick up the car tomorrow morning at seven. Are you open then?
我想在明天早上7点提车。那时你们开门了吗？
Ray. I've been rescued at last.
啊吓！我终于得救了。
Oh, that's not necessary.
啊，不必这样。