### Chinese: 外交紧张严重影响了海合会的内部团结，对该地区国家的经济产生了负面影响。
### English: Diplomatic tensions have seriously affected GCC internal solidarity and have had a negative impact on the economies of the countries of the region.
### Errors: There is a minor error at "GCC". There is a minor error at "solidari".

### Improved English: Diplomatic tensions had a serious impact on the internal unity of the Gulf Cooperation Council, exerting a negative influence on economy of the countries and regions in that region.