" When we extended our trade networks, we connected more and more (areas), which allowed more and more species to come" .

" 当我们扩展贸易网络时，我们连接的地区越来越多，导致越来越多的物种迁徙。"

Most of us throughout history have lived in large extended family networks and 38 percent of the world population does today.

纵观历史，我们大多数人都生活在大型大家庭网络中，今天世界人口的38%生活在其中。

In a single drop of water, hydrogen bonds form extended networks between hundreds, thousands, millions, billions, trillions of molecules, and these bonds are constantly breaking and reforming.

一滴水里，数百、 数千、 数以百万，数十亿，数万亿的分子之间，氢键由此而形成大范围网络，这种连接又不断地断开再重新形成。