用例根据客户情况或问题而开发，其构成包含角色、目标和商业价值。
Use cases are developed from a customer scenario or issue, with role, goal and business value as its constituents.
不管盈利性和商业价值如何，开放源码对于社区来说都很好。
Regardless of its profitability and commercial touches, it still is great for the community.
上海市南京路是极富历史文脉和商业价值的著名传统商业街。
Najiing Road in Shanghai is the famous traditional shopping street which is rich in historical, cultural and commercial value.
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