For example, a business may implement a purchasing system.
例如，一个企业可能要实现一个采购系统。
The hypothetical online purchasing system also provides a good example for data integrity.
虚构的在线购物系统还提供了很好的数据完整性的例子。
The hypothetical online purchasing system also provides a good example for data integrity.
虚构的在线购物系统还提供了很好的数据完整性的例子。
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