custom folders的用法和樣例：
例句
- Custom folders are special folders that represent folders on a target computer.
自定義文件夾是表示目標計算機上的文件夾的特殊文件夾。 - The retention and journaling of messages in managed custom folders are controlled by managed content settings that are applied to the folder.
對託管自定義文件夾中郵件的保留和託管由應用於文件夾的託管內容設置進行控制。
