Mary is in charge of the art and music section; and Charles, the sports page.
玛丽负责艺术和音乐版块;还有查尔斯负责体育版块。
Both these tools are free of charge and simple to install, and you can find links in the Resources section.
这些工具都是免费的,并且安装简单,您可以在参考资料一节找到相关链接。
All of the tools described here are available at no charge, and you can download them from the links above, or those in the Resources section at the end of this article.
这里介绍的所有工具均可免费得到,您可以从上述链接下载,也可以借助本文末尾的参考资料部分中给出的链接。
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