这些真理的追求者们关心的是观察、事件背后的原因。他们对复杂问题“刨根问底”，而且具有详尽调查的能力。

These truth-seekers are concerned with the underlying causes of observations and events. They dive to the root of complex problems and have an exhaustive capacity for inquiry.

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此刻不是探究整个事件背后原因的时候。

This is not the time to go into the reasons behind it all.

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但是诸如胡德堡军事基地枪击案之类的事件暗示发生更多类似事件的可能性，其背后的原因和动机也会引致更多事件的发生。

But episodes like the shooting at Fort Hood suggest the possibility of more, and the sort of reasons and motivations that could make for more.

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