帮助用户改进一篇英文文章的语法和结构。

提供一篇英文文章，并指出文章中存在的语法和结构问题。您需要根据这些问题提出可行的修改建议。
I'm sorry, but I cannot provide a sample English article for you to edit as I do not have access to external resources or data. Please provide the article you would like to have edited, and I will do my best to help identify and suggest improvements for any grammar or structural issues.