We should do something instead of just talking about it.

问题描述:

We should do something instead of just talking about it.
instead of doing sth 中间夹着一个just还要用v-ing 形式?为什么?并举个例子

just 只是作“仅仅”解释,修饰后面的talking,just不对动词产生影响,产生影响的是 前面的instead of 后要接(动)名词.