Now there is a phenomenon that more and more people work and get married in a city. This is the origin of the word twin cities. In fact, the twin cities are the temporary phenomenon I mentioned above. Because the development of the city has just entered a stage, the solutions for some cities with large foreign population need to be improved, such as Beijing, Shanghai, Guangzhou and other big cities, but these problems will be solved step by step.
Most people in Shuangcheng are young people who have just worked for a few years, so it is not a realistic thing to buy a house in the city where they work. It takes two people to make more efforts, and this problem can only be solved after working for at least ten years. Another phenomenon of Shuangcheng people is that they have houses in the city where they live and no houses in the city where they work. They don't want to sell their present house and buy a house in the city where they work. There are many such phenomena now.
There is a big gap between cities in China. For example, in Beijing and Shijiazhuang, the price difference between the two cities will be more than one million, so people who are called Shuangchengren can't adapt, and of course they can't afford to buy a house in Beijing. This phenomenon is everywhere in China, and the contrast of this social phenomenon is that more and more people live apart, and high housing prices are another reason for the formation of the Twin Cities.
Because of these reasons, the number of people with twin cities has gradually increased, and the twin cities have also become a phenomenon in China. The rapid growth of urban population, high housing prices and unstable population flow are all phenomena that cause the twin cities. However, this is not a sad reminder of the times, but a driving force of the times, because the country has begun to pay attention to solving positive and negative social phenomena. I believe this will gradually get better in the next few years.