Managing this change with large projects can be challenging, particularly when there is a great deal of crosscutting functionality.

在大型项目中管理这些变化是非常具有挑战性的，特别是在有大量横切功能的时候。

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Adapting an agile process in a company with history is more challenging, but it can be done if there are clear benefits to it.

在具有一定历史的公司中采用敏捷流程更具有挑战性，但是如果存在这样做的明显好处，也是可以实现的。

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This is challenging because there is no network in a unit test and the AJAX call will fail.

这很有挑战性，因为单元测试中没有网络，AJAX调用会失败。

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"But there is a challenging minority who don't understand their rights and responsibilities, " she said.

BBC: Medway landlords urged to take benefit tenants

In other words, exporters are earning higher margins, but there is not much sign - in a very challenging global environment - that they are building market share.

BBC: A pounding for sterling in 2013?

There is no substitute of course for electing a challenging curriculum (the most advanced courses for which you qualify), maintaining excellent grades and owning superior standardized test scores, these are the coin of the realm.

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