It simply means that some advantages that being the professional are had, can easily pick up an example for an illustration.
Recently I came back home after the long wearisome working day, tired and tortured by troubles.
I hardly got out of the car, so I was izmochalen.
And here my yearold son David ran up to me.
Usually he with the shining smile throws the arms round me a neck and hangs as a bear cub on a tree.
This time he was beside himself and slowly approached with the sad sad person, looked at me sad wonderful blue eyes and told: The father, I should tell you something..