English Translation:

Let us look at an example to give you an idea:

Example: Two different systems, one old and one new.

In this example two systems are under discussion, an old one and a new one.
The author placed the old system to the left, and the new system to the right.

English Gloss
example...get...idea...two...different...system...system...one...old...one...new
see...sign...old...system...put...left...sign...new...system...put...right...compare