If a man of Darwin's genius could not have come up a more convincing solution than that, some key factor must have been missing from the narrative.

如果天赋如达尔文的人都想不出比这更令人信服的答案，那么一定是人类进化中某个关键因素未能找到。

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The key factor separating geniuses from the merely accomplished is not a divine spark. It's not I.Q., a generally bad predictor of success, even in realms like chess.

将天才与仅仅有所成的人区分开的关键因素并不是什么神光乍现，也不是智商这个通常来说难以预测成功的因素，即便是在像国际象棋这样的领域内。

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Authorities have not yet disclosed the results of an investigation into the cause of that accident, though state media cited officials saying signaling equipment was thought to have been a key factor.

目前官方尚未公布此次事故的调查结果，但媒体报道引用官方说法是信号灯故障是造成事故的关键因素。

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Celtic manager Tony Mowbray admitted that the penalty was not a key factor in the overall result.

BBC: Eduardo defended over dive claims

David Cameron said speed - not ethnicity - should be the key factor in getting children in to loving homes.

BBC: Adoption: David Cameron vows to cut adoption delays

Thus, the recently passed financial reforms may be not be enough to confront that key factor in the global financial crisis, fraud.

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