  In the dense graph limit theory, the topology of the set of graphs is defined
by the distribution of the subgraphs spanned by finite number of random
vertices. Vera T. S\'os proposed a question that if we consider only the number
of edges in the spanned subgraphs, then whether it provides an equivalent
definition. We show that the answer is positive on quasirandom graphs, and we
prove a generalization of the statement.
