This phenomenon of selecting traits associated with youth is known as neoteny, and can be seen in many domestic animals.

择与青年有关的性状的现象被称为幼态，在许多家畜中都可以看到。

We want to learn and understand, partly to make sense of the world but also because of something called neoteny.

我们想要学习和理解，一方面为了理解个世界，另一方面为一叫做“幼态持续”的东西。

This staying young strategy is called neoteny, which literally means holding youth.

保持年轻的状态被称为幼态持续，字面意思就保持年轻。