Second-hand cars are generally not the latest models in the auto market nowadays. They are generally two years behind. If you buy a second-hand car of the same brand and model, you can save thousands of dollars if you buy one to two years later. In addition, with the rise of oil prices, the cost of citizens' travel continues to increase. Auto for Trade explains that if the people's economy is not very well-off, buying a car is just for transportation, it is still very cost-effective to buy a second-hand car. What do you think about that?