Pre-processing may be manual or automatic or a mix of both.
预处理可以是手工的、自动的或者两者的混合。
2
XML for mixed content (documents): If what you will post requires the use of metadata (such as URLs) or a varied mix of markup and text, such as word processing documents and blog posts, use XML.
对于混合型内容（文档），使用 XML：如果需要使用元数据（比如 URL）或标记和文本的各种混合形式，比如字处理文档和 blog 文章，那么就使用 XML。
3
Material selection and processing according to the above two principles, to achieve a good image and beautiful color of the mix, showing a warm and comfortable home environment.