To illustrate the difference between hard and easy problems, let's take a specific example.

The following example illustrates the difference between the two types.

Your two questions illustrate precisely the difference between a government and an opposition.

The figure on the right illustrates the difference between distributed and parallel systems.

An example that illustrates the difference in appearance is part of this article.

All of which illustrates the profound difference between these rivals for nearly 15 years.

To help illustrate the difference, let me suggest a simple experiment.

A single example will serve to illustrate the difference between the methods of the two schools.

To illustrate the difference, consider the example of a balloon.

Three recent cases illustrate the difference between the two approaches.