What's the difference between a primary care doctor and a specialist?
One treats what you have, the other thinks you have what he treats.
This one time, all the rooms in a hotel were booked. But then comes this one guy, who asks for a room, in the same hotel, and gets one easily.
Because his name was Improvement. And there's always room for improvement.
I took my new gun to the range to try it out, but somehow it won’t work.
Now I have to read the trouble shooting section in the manual.