Water on the moon makes a human presence there much more feasible.

月球含水使得人类在其中的生存变得更为可行。

Winding paths and a distant bridge give only the slightest indications of human presence.

清盘的路径和一个遥远的桥只丝毫迹象显示，人类的存在。

Because of their precipitous nature, most of the islands are uninhabited and unaffected by a human presence.

由于地势陡峭，大部分岛屿无人居住且没有受到人类活动的干扰。

We use the word registration where we're actually registering you as a human presence inside a virtual world is very unique.

我们用“显示”这个词，我们实际上是让你在虚拟世界中显示出人的存在，这是非常特别的。