To be clear, this does not necessarily mean that humans are getting dumber - we’re going to need a whole lot more evidence to get anywhere near a conclusion like that.
并不能因此就说人类就变得越来越愚钝——要证明这一点我们还需要更多的研究。
There’s also the fact that more people are getting access to education than ever before, so even if less educated people are having more offspring, non-genetic factors like more schools could counteract and even eclipse the effect.
如今有更多的人能接受到教育,所以即使未受教育的人的后代更多,但更普及的学校教育也可以低效甚至掩盖基因上的不足。
But if we look at the trend over the course of several centuries into the future - well beyond the proliferation of schools and training access - the researchers say it could have a significant effect on our species in the long run.
但是如果我们设想这样的趋势发展数百年——教育和培训的普及程度已经远不能称为影响因素的时候——研究人员称这种趋势就严重影响到人类这个物种的长久发展。
"It is remarkable to report changes ... that are measurable across the several decades covered by this study," the study concludes."In evolutionary time, this is a blink of an eye. However, if this trend persists over many centuries, the impact could be profound."
该项研究称:“研究并统计接下来数十年的变化情况是非常重要的,在人类的进化史中,这也许只是一眨眼的功夫,但是如果这种趋势持续了几百年,影响则是十分深远的。”
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