此解决方案提供了源代码，客户可以自行维护此自定义代码。
This solution comes with the source code, and you maintain the custom code yourself.
而最终，新闻从业员必须自行维护他们行业的诚信。
Ultimately, those working in the field must protect the integrity of their profession.
第二，应用程序无法读取或变更作业系统自行维护的资料。
Second, the application cannot read or change data that the operating system itself maintains.
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