改革开放以来，在经济发展的道路上，不同的地区有先有后，就是同一地区也有快有慢。后发展的地方到先发展的地方学习取经是很有必要的，但不能只重视外地经验，而忽视了家门口的经验。到外地参观学习，可以开阔眼界、启发思路，但是，外地的情况往往与本地的实际有较大的差别 Since the reform and opening up, in the path of economic development, different regions have their own priorities, that is, the same region is also faster and slower. It is necessary to learn from the post-development areas to the first-developed places. However, we should not just focus on foreign experience but neglect the experience at the doorstep. Visiting and studying in other places can broaden their horizons and inspire ideas. However, the situation in the field often differs greatly from the actual situation in the Mainland