重点讲解：

1.less than 少于
But, if the ratio is less than one, then the person is always living in stress and when he is always stressed, he cannot enjoy real happiness.
反之，如果这个比值小于一，那么这个人会一直生活在压力之下并且总是感觉紧张不安，从而无法享受真正的快乐K~HunnJ|R%i|zXW。

2.come up with 想出；赶上

But how do you come up with the architecture for this evolutionary prototype?
但是你将如何为这个进化的原型提出系统的架构呢？