变革与反思：中国外汇管理法律制度研究：study on the legal system of China's foreign exchange administration study on the legal system of China's foreign exchange administration Study on legal system of Chinese regional trade integration 变革中的中国能源法制== The energy legal system of China in the transrormation 守常与变革：明清时期涉外贸易法制研究：a study on the legal system of foreign trade during the Ming and Qing Dynasties