Readers’ Corner: “Paper Driver” Course

When I was riding my bicycle on a road, a driving school car passed me. I saw “Paper Driver Course” written on the rear license plate. That is totally new to me. When I got a driver’s license about 30 years ago, there was no such course. “Paper driver” is a Japanese English word. I wonder if foreigners can guess its meaning. It means a person who passed the driving test but has not been driving for a long time. This course is for people who need practice to be able to drive safely again. I wonder how many lessons they have to take. Or does it depend on the person?    (110 words)