最好的办法就是构建多层检验系统，包括测试url是否来自广告商，或者配备编辑团队对贡献进行监视和检验。

Your best bet is to build in layers of verification systems, including tests for URLs known to be promoted in spam, or by deploying an editorial team to monitor and verify contributions.

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因此，对于多层“同心”容器内的测试，nose会在运行测试之前运行所有容器中的setup代码，在运行测试之后运行所有容器中的teardown代码。

For nose, therefore, a test lives inside of not one but a series of concentric containers, any of which can contain setup code that gets run before the test and teardown code that gets run afterward.

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这些测试将再现中国常用的多层复合建筑中钢管混凝土柱和钢筋混凝土梁的条件。

These tests were meant to reproduce the conditions of the CFST columns and RC beams in multi-storey composite buildings commonly used in China.

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