The Documents tab is a general-purpose storage area for project documents or any other type of file that the team might reference or produce.
Documents 选项卡，是项目文档，或团队可能引用或生成的任何其他类型的文件的通用存储区域。
2
As you might guess, the sn attribute type is not general-purpose: it is only used to specify the surname of a person.
可以猜得到，sn属性类型不属于一般目的：它只用来指定人的姓。
3
Type 2 enclosures are intended for generalpurpose indoor use primarily to provide a degree of protection against limited amounts of falling water and dirt.