Exploring the system of inland open economy in the new era Development strategy for China's finance and economy in the new era Dual circulation of Chinese economy in the new era Study on the systems of indemnificatory housing of China in the new era The dual circulation of Chinese economy in the new era International political economy in the new era the infrastructure of digital economy in the new era 并列题名：Development strategy for China's finance and economy in the new era 并列题名：International political economy in the new era