The research, she says, opens the door to a better understanding of the dynamic relationship of parents and children in humans.

她说该研究打开了一扇大门，让我们更深入地理解人类父母和孩子间的动态关系。

But ecosystems are not merely collections of species; they are also the dynamic and ever-shifting relationships between them.

但是生态系统不仅仅是物种的集合；它们也是它们之间动态且不断变化的关系。

In other words, the environment and the baby have a dynamic bidirectional relationship from the very beginning, changing in response to each other.

换句话说，环境和宝宝从一开始就有一种动态的双向关系，相互响应而变化。