Nonrestrictive
a. 非限制性的
🗣️ 情景例句
555-2420. Thank you.
555 2420。谢谢你。
A scientist has come up with a good idea. That's it!
科学家想起了一个好创意。就是这个！
Would you please go to a dancing party with me?
请你跟我一起去参加一个舞会好吗？