### Chinese: 峰会前夕，中国和俄罗斯就以美国自身民主出现问题抨击美国，称美国没有资格主持召开这样的峰会。
### English: On the eve of the summit, China and Russia attacked the United States on the grounds that there were problems with its own democracy, saying that the United States was not qualified to preside over such a summit.
### Errors: 

### Improved English: China and Russia attacked the U.S. for what was wrong with its own democracy before the summit, and said that the U.S. did not have the qualification to hold such a summit.