Unique product design, fashion and generous, and a collection of various useful functions.
产品设计独特，时尚大方，并集合多种实用功能。
This is useful when you want one application to support multiple functions.
这在您希望一个应用程序支持多个功能时非常有用。
Finally, functions are really useful.
最后，功能真的有用。
Last, but possibly most useful, is the ability to add functions to a shell.
最后，也许是最有用的是可以给shell添加功能。
And it has some useful information management functions.
系统具有一定的信息管理功能。
And it has some useful information management functions.
系统具有一定的信息管理功能。
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