Study on the basic problems in the construction of China's foreign discourse system in the new era 并列题名：Study on the basic problems in the construction of China's foreign discourse system in the new era Study on the problems and countermeasures of China's food security in the new era Study on strengthening the construction of social organizations in the new era Research on the construction of elderly care service system in the new era 并列题名：Research on the construction of elderly care service system in the new era Top design of the construction of Chinese teachers in the new era 并列题名：Top design of the construction of Chinese teachers in the new era Study of construction of modern economic system in the new era Study on the construction of rural governance community in the new era