Far from just a pretty picture, the model must be a complete representation of the data you are storing, or it will be of little use to anybody.
远远不只是一副漂亮的图画,该模型必须是所存储数据的完整表示,否则,它对于任何人都毫无用处。
SDO is important for data representation, even if there is no classic data source in the picture.
SDO 对于数据表示非常重要,即使没有典型的数据源也如此。
But the picture cannot place itself outside of its form of representation.
但是图像不能将自身置于其表现形式之外。
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