There are certain factors that guide you towards a decision of taking a traditional data extension approach of hardening elements in a physical data model as opposed to using the new spec mechanism.
有一些特定的因素促使您决定使用传统数据扩展方法在物理数据模型中固定元素，而不是使用新的spec机制。
Meanwhile, an online store, which translates many kinds of information into the data model of the business and converts the data to information to inspire decision-making, is quite elaborate.
同时，在线商店十分复杂，它将把各类信息转换为业务数据模型并把数据转换为信息来推动决策。
Chapter 1: Model the process in Modeler — creates the sample process with Modeler and adds data objects, decision conditions and resources.
第1章：对Modeler中的流程进行建模——使用Modeler创建实例流程，然后添加数据对象、判决条件和资源。
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