Design the data model to support the implementation of new business requirements.
设计的数据模型，以支持新的业务要求的执行情况。
However, some data sources might not support all types in the conceptual model.
但某些数据源可能不支持概念模型中的所有类型。
However, some data sources might not support all types in the conceptual model.
但某些数据源可能不支持概念模型中的所有类型。
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