不过在安全总线中，外部总线是在缺省情况下不允许访问的资源。

Foreign buses, however, are a resource to which access is not allowed by default within a secure bus.

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“我仍然相信，国内的石油生产是我们能源安全总体战略的重要组成部分，”奥巴马周五表示。

"I continue to believe that domestic oil production is an important part of our overall strategy for energy security," Obama said on Friday.

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她说，我们员工的安全总是最重要的。

"The safety of our employees is always foremost," she said.

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