But it won't do us much good if we can't get world communications back up.

不恢复全球的通讯可不行啊。

We have evolved mental capacities to solve different problems: perception of the world, communication, getting nutrition and rest, and so on.

我们进化出了解决不同问题的心理能力：感知世界、沟通、获取营养和休息等等。