并列题名：Study on economic effects of foreign trade on the flow of labor factor in China Study on economic effects of foreign trade on the flow of labor factor in China 并列题名：Study on the impact of foreign trade and FDI on human capital in China Study of the economic impact of foreign trade on labor mobility in China Study on the impact of foreign trade and FDI on human capital in China Study on economic effects of changes in poverty in the minority fleas of Northwest China 并列题名：Study on the cultural differences of foreign students from Southeast Asian countries in China 并列题名：Study on economic performance and environment in the transformation period of China