Unobservability
不可观察性
🗣️ 情景例句
Don't park your car in a dark street.
不要把车停在黑暗的街道上。
As you all know, doing business is not an easy thing to do.
大家都知道，做生意并不是一件容易的事。
I'm not Lucy. I'm Lily. She's Lucy!
我不是露茜，我是莉莉，她是露茜。