Finally, to control negative influence, a lot of work must DE done involving exploitation technology, engineering geology, disposal of sewage and rubbish, land recultivation, tax management and so on.

文章最后指出，需要从开发开采技术、工程地质、“三废”处理、土地复垦、税收管理等各方面强化对不利影响的控制。

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With municipalities and issuers of infrastructure bonds including schools districts, hospitals and sewage and garbage collection authorities facing diminished tax and revenue receipts and inevitable downgrades, the risks they pose to guarantors could shut them out from low interest rate borrowings.

FORBES: Muni Bond Default Concerns Are Real