What is space-time thinking in private international law?

The space-time thinking in private international law is changing from domestic law to the compatibility of international law and domestic law, and finally to international law. With the help of the secretary, the space-time thinking in private international law is changing from domestic law to the compatibility of international law and domestic law, and finally to international law. In the case of differences between civil law and commercial law in various countries in the world, private international law solves the problem of which country's law should be applied to the relationship between civil law and commercial law with foreign factors.