### Chinese: 美国方面承诺，在本次民主峰会后，将展开为期一年的行动，包含一项金额4.244亿美元的倡议，以加强世界各地的民主，并对独立新闻媒体提供支持。
### English: As committed by the U.S., there will be year-long actions after this democratic summit, including a proposal with the amount of 424.4 million USD, so as to reinforce global democracy and provide support for independent news media.
### Errors: There is a minor error at "democratic". There is a minor error at "proposal with". There is a minor error at "amount of 42". There is a minor error at "USD". There is a minor error at "news".

### Improved English: The United States promised that after this Democracy Summit, it will carry out a series of year-long actions including a 424.4 million USD initiative to strengthen democracy around the globe and provide support to independent new media.