走过“默克尔时代”：德国对外关系的理论与实践：theory and practice of German foreign relations theory and practice of German foreign relations 全能改造：住宅改造理论与实践：theory and practice of residence renovation 交易成本经济学：契约关系治理的理论与实践：the theory and practice of the governance of contractual relations 新时代 新阶段 新规划：发展规划的理论与实践：theory and practice of development planning 智慧旅游：产业数字化的理论与实践：theory and practice of industrial digitalization 服务—学习：在高等教育中的理论与实践：theory and practice in higher education 风险规制：德国的理论与实践：theory and practice in Germany The theory and practice of international relations the theory and practice of international relations