在一篇文章上看到，非限制性定语从句有时形式上是从句，实质上其功用相当于一个并列的分句。如：
It’s quite a bad break, which will take several months to heal.
=It’s quite a bad break, and it will take several months to heal.
She passed the letter to Moriarty, who passed it on to me.
=She passed the letter to Moriarty, and he passed it on to me.
我的疑问是：非限制性定语从句转化为并列句时，可以用but来改写吗？
如题