### Chinese: 这是减缓海湾合作委员会国家经济增长的因素之一。
### English: This is one of the factors that slowed the country's economic growth in the Gulf Cooperation Council.
### Errors: There is a minor error at "slowed". There is a minor error at "country'". There is a minor error at "growth in". There is a minor error at "f Cooper". There is a minor error at "Council".

### Improved English: This is one of the factors that slow down the economic growth of the Gulf Cooperation Council countries.