两个毫不动摇：毫不动摇地巩固和发展公有制经济，毫不动摇地鼓励、支持和引导非公有制经济发展

1) consolidate and develop the public sector and at the same time encourage, support and guide the development of the non-public sector 2) (commitments to) developing both the public and non-public sectors）