В Иране заявили о поражении американского эсминца02:21
DigitalPrintPrint + Digital。体育直播对此有专业解读
With much of the world’s oil supplies out of action, Russia could step in to meet demand in China and India，更多细节参见体育直播
They’re not mandatory. Not all modules have infrastructure code, and not all have so complex business logic that would make the separation justified. The most important hint on introducing an infra-module is a need to unit test the Business-Module.