Before revision:  While the distribution of links in the dependency network of this system is scale-free for the intermediate nodes, the richest nodes  deviate from this trend, and exhibit a nonlinearity-induced saturation effect.
After revision:  While the distribution of links in both the in-directed and out-directed dependency networks of this system is scale-free for the intermediate nodes, the richest nodes deviate from this trend, and exhibit a nonlinearity-induced saturation effect.