我国对外贸易顺差研究：兼论我国经济的转型升级：also on China's economic transformation and upgrading also on China's economic transformation and upgrading Research on the path of China's economic transformation and upgrading Rational logic of China's economic transformation and upgrading The rational logic of China's economic transformation and upgrading 人力资本：经济转型升级的内驱力：the drive of economic transformation and upgrading Equity investment and economic transformation and upgrading the drive of economic transformation and upgrading Impact of rising factors cost on China's industry transformation and upgrading Research on the key issues of China's industrial transformation and upgrading