此模式还能为累积数据进行夜间处理的需求提供支持，这可能包括货品计价、帐单编制、合同问题和相关文档及更新通知。

This pattern also supports the need to accumulate data for overnight runs which might cover invoicing, billing, issue of contracts and related documents and renewal reminders.

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例如，它们可以累积供给或需求的隐藏失衡，直到某个临界值被打破，失衡突然暴露出来。

For instance, they can pile up hidden imbalances in supply or demand which may suddenly be revealed when a threshold is breached.

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一般情况下，经济萧条之后是强劲的复苏，因为累积已久的消费需求会重新发挥作用。

Normally, deep recessions are followed by strong recoveries as pent-up demand reasserts itself.

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