Even when such systems are available, the test data may not be suitable for exercising all code paths; that is, it may be difficult to simulate some error conditions.

即使在这些系统可用时，测试数据也可能不适于使用所有代码路径；也就是说，模拟一些错误条件可能会很困难。

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For example, it may be that what looked like a great development approach yields far too much code, requiring too much senior development expertise, to be maintained by the available team.

例如，他也许想看看高端的开发方法产生了大量的代码，需要很多高级的开发专家，并且需要而外的团队进行维护。

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But it is made abundantly clear to switchers that many of their favourite services—such as downloadable games, mobile-TV services or payment systems—may not be available on a rival network.

不过转网时运营商又会千叮咛万嘱咐，如果跳槽去别家，可能无法享受很多他们最喜欢的服务——比如提供游戏下载，手机电视和手机支付。

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Citron does not guarantee in any way that it is providing all of the information that may be available.

FORBES: Preying on an Easy Mark

For example, there had been plenty of indications that Mr Netanyahu might be visiting Mr Obama early in May, but the White House let it be known that the president was not available then.

ECONOMIST: The new politics of Israel's foreign policy

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