So far the government has stipulated and revised the relevant laws on water, air and solid waste pollution in order to achieve sustainable development.

到目前为止，政府在水，空气，固体污染等方面，已经制订和修订了相关法律，以实现可持续发展。

But while all that traffic can be good for the economy, it can come in a huge environmental cost, as waste, pollution, and an increasing number of vehicles damage the health of the region's ecosystem.

但是，尽管所有这些都有利于经济，但也会造成巨大的环境成本，垃圾、污染以及车辆数量的增加损害了该地区生态系统的健康。