Unobservability
不可观察性
🗣️ 情景例句
I want to take a few days off just for relaxation.
我想请几天假放松放松。
I'll let you keep the book for the time being, but I'll want it back next week.
这本书我暂时借给你，吵过下星期我就要跟你要回来。
Lucy, are you hungry?
露茜，你饿了吗？