Research on business strategy of small and medium-sized banks under interest rate liberalization 并列题名：Research on business strategy of small and medium-sized banks under interest rate liberalization Research on innovation strategy of small and medium-sized enterprises in digital age Research on the transformation of profit model and risk taking of commercial banks under the interest rate liberalization 并列题名：Research on innovation strategy of small and medium-sized enterprises in digital age green business strategies for small and medium-sized businesses Research on financing of small and medium-sized enterprises