In a purely biological sense, fear begins with the body's system for reacting to things that can harm us—the so-called fight-or-flight response.

从纯粹的生物学意义上讲，恐惧始于身体系统对可能会伤害我们的事情的反应，也就是所谓的“战或逃反应”。

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In a purely biological sense, fear begins with the body's system for reacting to things that can harm us — the so-called fight-or-flight response.

从纯粹的生物学角度来看，恐惧是从我们身体系统对可能伤害我们的事情做出反应开始，即使所谓“战斗或是逃跑”的反应。

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Is there at the heart of this an official neurosis about telling the public too much, for fear of losing their support for the so-called "war on terror" and for the government itself?

BBC: Is truth a victim?

Boogaard was responding to an ABC report on Monday that said officials fear al Qaeda may soon try to explode aircraft bound for the United States with so-called body bombs.

CNN: STORY HIGHLIGHTS