Leo,unlike his owners,has many friends.是什么意思?

问题描述:

Leo,unlike his owners,has many friends.是什么意思?
句子中unlike his owners做什么成分,是哪种用法,或是有什么语言点,如果去掉的话会不会改变句意,高手请详细说明一下.谢谢.

Leo ,不像他的雇主,他有很多朋友.
unlike his owners做Leo的定语那前后的逗号可以去掉吗可以的3Q!