Use cases are developed from a customer scenario or issue, with role, goal and business value as its constituents.
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。
2
Funding is not an issue — you've justified the value of SOA.
资金投入不是问题——已经证明了SOA的价值。
3
What they did not announce was a breakthrough on the most contentious economic issue between the countries: the value of China's currency in relation to the dollar.