求翻译：我们现在就可以建造更坚固、更安静、更防滑的道路，但却不建，因为费用太高。我们可以在高速公路两旁安装隔音板并且设计出尾气更少、轮胎噪音低的卡车，从而使交通噪音减半，但我们不愿意掏这笔钱。环保游说者们已对汽车厂商产生了巨大影响，对尾气排放的控制已经严格了许多，但是在控制空气污染方面仍然任重而道远。是什么意思？

We are now able to build more robust, quieter, more anti-skid road, but not built, because costs are too high. We can install noise barriers along the highway and to design less exhaust and tire noise low truck, so that the traffic noise by half, but we do not want to dig money. The environmental lo

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We may make firmly, more peaceful, the skid resistant path now, but does not construct actually, because the expense too is high.And we may install the soundproofing board both sides the highway to design the exhaust to be less, the tire noise low truck, thus causes transportation noise halving, but

We can now build stronger, quieter, more slip roads, but not built, because the cost was too high. We can be installed on both sides of Highway noise barriers and designed tail-less, low tire noise of trucks, so that traffic noise by half, but we are not willing to pay the money. Environmental lobby

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