说明：  云计算 : 互操作性、高密度水平计算、云中数据、IT 效率 — 最大限度地降低成本、业务敏捷性 — 最大限度地增加回报、降低资本支出、降低数据中心运营成本、消除了过量配置、编程更快、更灵活
(Cloud computing: interoperability, high-density level, the cloud data, IT efficiency- minimizing costs, business agility- to maximize returns and reduce capital expenditures, reduce data center operating costs, eliminate excess allocation programming faster, more flexible)