The emergence of“big concepts”has caused new waves of knowledge instructing integration,but the current scholars seem to emphasize only the scope of coverage and abstract form when discussing“big concept”integration,but neglect its substantive connotation and the depth ...MORE The emergence of“big concepts”has caused new waves of knowledge instructing integration,but the current scholars seem to emphasize only the scope of coverage and abstract form when discussing“big concept”integration,but neglect its substantive connotation and the ...