### Chinese: 美国希望各国在计划于2022年底举行的实体民主峰会前，作出具体的公开承诺，以改善其民主制度。
### English: The U.S. wants all countries to make specific and opened commitments before the democratic summit held in the end of 2022, so as to improve the democratic system.
### Errors: There is a minor error at "opened commitment".

### Improved English: The U.S. wants all countries to make specific and open promises before the democratic summit held at the end of 2022, so as to improve the democratic system.