some people think .,while others take an oposite stand ,firmly believing that..

问题描述:

some people think .,while others take an oposite stand ,firmly believing that..
为什么 stand 后面有逗号

逗号后‘坚定的认为’ 是动名词作伴随状语,中间可以加逗号太给力了,你的回答完美解决了我的问题!