Similarly , dialogue theory is absolutely no catholicon . there still lays some difficulties in its leading us to go out the traditional occlusion . however , this is exactly due to the unaccomplishment of the research in teaching 当然,任何理论的价值功能都有自身的局限性,对话理论也不是万能的灵丹妙药,它在指引我们走出传统的封闭圈时也潜存着一些困难,这也说明教学研究的未完成性。