In 2015, the US Forest Service for the first time spent more than half of its $5.5 billion annual budget fighting fires—nearly double the percentage it spent on such efforts 20 years ago.
The final quarter of the double diamond model is the delivery stage, where the resulting product or service is finalised and launched.
双钻石模型的最后一个阶段是传达阶段，在这个阶段，产品或服务完成并启用。
3
Double key secure means the user must authenticate two systems — the application server (at the hosting service provider) and the financial institution.