.Todaysaveragecar containsmore than 15,000separate,individualpartsthatmust work together.These parts can grouped into four major categories:engine, body, chassis and electrical equipment .1 layoutThe body is designed to keep passengers safe and comfortable. The body styling provides an attractive, colorful, modern appearance for the vehicle.1.1汽车车身的设计还应该保证乘员的安全舒适。车身的造型（款式）使得汽车看起来漂亮迷人、色彩斑斓、时尚前卫。.The engine acts as the power unit. The intern
