| 1 | We will expand the trial of pollution rights trading. | |
| 2 | Electric vehicles are quiet and spew no emissions. | |
| 3 | Careless pollution will result in serious environmental problems. | |
| 4 | Jiang says water, sewage, and electricity networks were severely damaged. | |
| 5 | The county had to repair and upgrade its sewage facilities a few years ago. |
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