**Expanded Article**: This is a rather short article. It is in need of being rewritten and expanded to a greater extent. The current length of the article is quite limited, and it lacks the necessary details and elaboration. By rewriting and expanding it, we can make the content more丰富and engaging. We can add more examples, explanations, and descriptions to enhance the understanding and interest of the readers. This will help to make the article more valuable and useful. Moreover, expanding the article can also improve its overall quality and professionalism. It will give the readers a more comprehensive and in-depth understanding of the topic. Therefore, it is essential to rewrite and expand this short article to meet the requirements of a better and more effective piece of writing.