警告牌美国人喜欢幽默,甚至在严肃的公路警告标志上也体现了这一点。在美国西海岸一条公路的急转弯处,有一幅标语牌是这样写的:“如果你的汽车会游泳的话,请照直开,不必刹车。”在长岛公路路口,有一块警告牌上写着:“电线杆自卫时,会给汽车和司机带来伤亡。” Warning signs Americans like humor, and even on serious road warning signs. On the sharp turn of a highway on the west coast of the United States, a placard reads: “” If your car is going to swim, keep it straight without brake. “At the Long Island Road intersection, a warning sign says : ”Poles self-defense, will bring casualties to cars and drivers. "