那么，SOA 是一种定义人、组织和系统如何提供和使用服务来实现价值的架构范例。

SOA, then, is an architectural paradigm for defining how people, organizations, and systems provide and use services to achieve results.

youdao

但遗憾的是，没有哪个中央计划系统能知道人们什么时候需要去哪儿，以及他们的行程有多大价值，这只有当事人自己才知道。

But sadly, no central planner can know which people need to go where when and how much value should be attached to each trip.Only the individuals themselves know this.

youdao

但遗憾的是，没有哪个中央计划系统能知道人们什么时候需要去哪儿，以及他们的行程有多大价值，这只有当事人自己才知道。

But sadly, no central planner can know which people need to go where when and how much value should be attached to each trip. Only the individuals themselves know this.

youdao