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1·Close the windows: it reduces the inherent aerodynamic sleekness of your car, and can lead to a 10% decrease in fuel economy.

关上车窗：这能增强汽车的流线性，降低空气阻力，可以提高百分之十的燃料利用率。

2·Sleekness and smart do not show one's maturity. Maturity refers to one who is more considerate, understanding, and full of tolerance.

圆滑精明那不是成熟，成熟是更能体谅、理解人，更懂得宽容。