Nonexcludability
非排他性
🗣️ 情景例句
The mailman just dropped some mail in our box, Grandpa.
邮差刚刚塞进一些信件在我们的信箱， 爷爷。
When would you like to leave?
你要什么时间离开呢？
I'm looking forward to seeing you.
我期望见到你。