Subjectless
a. 没题目的, 无主题的, 无主旨的
🗣️ 情景例句
Did she mention when she would arrive?
她说过什么时候到吗？
Do you have any rooms?
你有房间吗？
A simple experiment will help us a little further.
再做一个简单的实验可以帮助我们进一步理解这个问题。