考虑到人类是这些生态系统的一部分，你可能听说过，水资源短缺可能会限制你可以使用多少水，特别是近些年夏天的时候，
Consider humans as part of these ecosystems, you've probably heard about water shortages or restrictions on how much water you can use, especially in the summer time, in recent years.
其中暗藏一个小幽默：人类已经建立了一个几乎无限复杂的吞噬、改造资源的系统，正如你坐在你的小卧室中。
The unstated joke: mankind has erected immense, resource-devouring systems of almost incomprehensible complexity just so you can sit in your cubicle.
在里诺市的内华达州立大学估计，这些易于开发的热水系统中的80%还未被人类所发现，一些公司现在正开始寻找这些资源。
The University of Nevada at Reno estimates 80% of these easier-to-develop hydrothermal systems are hidden, and companies are now starting to look for them.
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