Text snippet: 在中国把产权发展上去是一个大问题，好在有了保障，因为我们有三土有明，中间有华夏的文化。

Summary: Abstract of title is a document that provides a brief explanation of the ownership status of a property, including the method of acquisition and evidence such as property transfer certificates and wills. It may also include additional information such as maps and other supplementary materials. In the US, it is also known as "title abstract" and is used to determine the ownership chain of a property. In China, property rights are protected by the Three Reforms and the country's rich cultural heritage.