Most simply hoped things would not get worse.

大多数人只是希望情况不会变得更坏。

What is an epoch? Most simply, it's a unit of geologic time.

纪元是什么？简单来讲，纪元是地质时间的一个单元。

Our own bodies are worse off than most simply because of the many differences between the wilderness in which we evolved and the modern world in which we live.

我们的身体比以前差，这就是因为我们现在的生存环境和人类以前的生存环境有很大的不同。进化是人类为了适应野外的恶劣生存环境而产生的。