Mr. Zhang: Have to buy a car again? Better to try Carmax or official dealer with 12 month warranty or guarantee. Otherwise, have to inspect the car at a trusted repair shop before buying. 張先生:又得買車嗎?最好試 Carmax 或官方經銷商,享受 12 個月的保固。否則,購買前必須到值得信賴的維修店檢查汽車。