### 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 for its own problems with democracy, saying that the United States was not qualified to host such a summit.
### Errors: There is no error in the English translation.

### 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.
