But many of these steps involve accessing resources that may or may not be available at the time the customer places the order, or whose response time may be unpredictable.
但是这些步骤中的许多步骤都需要访问一些资源，这些资源在客户下订单时可能可用也可能不可用，或者这些资源的响应时间可能无法预料。
Once the non-functional requirements of a system (load capacity, average response time, peak-load response time, and so on) have been met the application can be deployed and the customer is satisfied.
只要满足了非功能性需求(负载能力、平均响应时间、峰值响应时间等)，应用程序就可以部署，用户也会觉得满意。
Both RIM and Apple have had to remove approved apps after being on sale for some period of time, in response to after-the-fact customer complaints.
RIM与Apple不得不在销售一段时间后撤下已经批准的应用，以此应对用户的抱怨。
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