A one-server deployment is a single source of failure.

一个服务器部署是单一故障源。

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But both sides need to understand the source of its failure if either or, better, both together, are to respond.

但是两党都需要弄明白失败的根源，而且一方，最好是双方都对此作出反应。

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Choosing the right order can affect whether the correct data source is queried and the resilience of your network in case of failure.

选择正确的顺序可以影响是否能查询正确的数据源以及在出现故障时网络的恢复能力。

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But there's another source of failure, one not so easily corrected.

CNN: Why inaugural speeches mostly fail

Their failure to mention the source of the suspect drawings was likewise pragmatic.

FORBES: Eric Hebborn Wants To Teach You How To Forge Art. Got A Pen? [Book Excerpt #2]

Another source of regret for Raymond Aubrac was his failure to persuade his parents to leave France for the safety of Switzerland even though he had secured false papers for them.

CNN: Nazi era French Resistance leader dies