Unobservability
不可观察性
🗣️ 情景例句
Will I be able to receive the goods by the end of September?
我可以在9月底以前收到货吗？
Excuse me. Are you Susan Davis from Western Electronics?
对不起，你是来自西方电子公司的苏姗·戴卫斯吗？
We'll stay here with you until help comes.
在有人来救援前，我们要留在这儿。