internal control documentation的用法和樣例：
例句
- This may be useful when you try to restrict user actions or control the appearance of the document while it is embedded.
當您嘗試限制用戶操作或者它是嵌入時控制文檔外觀這可能很有用。 - The best way to use markup to control the appearance of your documents is to concentrate on the content of the document, not on its final appearance.
用標記來控制文檔外觀的最好方法，就是把精力集中在文檔內容本身，而不是它最終看上去的樣子。
