Noncausal
原因不明的, 无关联的
🗣️ 情景例句
That's another surprise.
这是另一个惊喜。
What do you want to be when you finish your training?
当你完成训练的时候，你要做什么？
Have you received a letter from Jim yet?
你收到了吉姆的来信没有？