A study just published by Axel Meyer, Thomas Elbert and their colleagues at the University of Konstanz in Germany, however, points to a phenomenon called epigenetics as the likely answer.

然而，德国康士坦茨大学的Axel Meyer，Thomas Elbert以及他们的同侪们最近表的研究报告指出，一种被称为" 外因遗传" 的现象很有就是这个问题的答案。