An example of service metadata can be the agreed-upon cost and response time between the service provider (SP) and the service subscriber (SS).
服务元数据的一个示例是服务提供者 (SP) 和服务订阅者 (SS) 之间事先协商的成本和响应时间。
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When you are selling and have accepted a purchase or an order, or when the buyer has paid, always deliver the good or service according to the agreed quantity, quality, and delivery time schedule.