然而，他补充说：“含适量的维他命b的健康饮食有助于减低风险，尽管临床试验还未证明有助于认知能力。”

However, he added, "a healthy diet with adequate B12 may still be useful in reducing risk despite the failure of initial clinical trials to show a benefit on cognition."

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他说：“最近有人在研究音调辨别力，即判断音符的绝对因高的能力，该项试验强烈地暗示这种能力是通过集成某一个基因获得的。”

He said, "There has been a recent study on perfect pitch, the ability to know the absolute pitch of a musical note, that strongly suggests that is acquired through the inheritance of a single gene".

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但人的才能从未有一个确定的衡量标准，我们也不能根据先例来判断他的能力，因为以前的尝试验证太少了。

But man's capacities have never been measured; nor are we to judge of what he can do by any precedents, so little has been tried.

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