The President doesn't need a primer on national security.

总统对于国家安全是不需要读入门书的。

《牛津词典》

Certification: MSCIS is certified by the Committee on National Security Systems through the National Security Agency's INFOSEC Education and Training Program.

证照：此课程通过美国国家安全局资讯安全教育与训练课程认证。

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Constructive national steps on issues ranging from nuclear security to climate change must be incentivized, so nations that choose to do their part see the benefits of responsible action.

在从核安全到气候变化等问题上所采取的建设性的国家举措必须得到鼓励，以使履行义务的国家看到负责任的行动所带来的好处。

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Without mentioning the issue specifically, he restated the philosophy he had laid out in Thursday's speech on national security.

VOA: standard.2009.05.22

Huge, and one of the things that I argue in this book and also in the Princeton Projiect on National Security which I co-directed with John Ikenberry over the last three years is we have been singel-mindedly focused on the war on terror.

很大，我在这本书中试图说明一点,在普林斯顿国家安全项目中也试着强调,这一项目在过去3年内由我和约翰伊肯伯里共同负责,那就是我们仅仅盯在了一点上,我们盯着恐怖主义战争不放。

普林斯顿公开课 - 国际座谈会课程节选

Even when the president first came into the office he is always careful to make sure he was always well briefed, meet regularly with his national security team, with his intelligence briefers, on a regular basis.

即使是总统从一开始,走进办公室,他总会很小心地确保,他有个良好的情况简介，和他的安全小组见面，和情报简报员见面，这些都是定期的。

普林斯顿公开课 - 国际座谈会课程节选

He would be strong on national security, strong on the budget and so on.

ECONOMIST: Can John Kerry make himself look more moderate?

It's no coincidence, then, that its views on national security are dangerous and ill-considered.

CNN: Paul Ryan's dangerous vision

But the vast increase in spending on national security had produced surprisingly meager results.

FORBES: Compared With Bush, Obama's Defense Record Looks Real Good