Remove rook racks: If you have roof racks installed on your car, remove them.
移除行李架：要是你车里装了行李架，搬走吧。
Roof racks increase the car's weight and reduce aerodynamic efficiency, which increases the amount of fuel burnt to power the car.
行李架增加车子的重量，降低空气动力学功效，那会增加车辆燃烧的燃料量。
And to the big car blindly, rear wing, surrounded by the winch and racks, will also increase fuel consumption of the vehicle.
而盲目地给爱车加装大包围、尾翼、绞盘、行李架，同样会增加车辆的油耗。
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