1. levy the tax 征税
2. boost the economic development 促进经济发展
3. automobile industry 汽车工业
4. modernization 现代化
5. pollution-free fuel 无污染燃料
6. be concerned about …对…担忧/关注…
7. be viewed as …被视为是…
8. luxury 品
9. chronic lead poisoning 慢性铅中毒
10. fill… with …使…充斥着
