考研英语长难句一日两句（5）

What they found, in attempting to model thought, is that the human brain's roughly one hundred billion nerve cells are much more talented—— and human perception far more complicated —— than previously imagined.
【解析】本句的主干What they found is that…被结构in attempting to model thought所作的状语隔开。主语为what引导的名词性从句充当。表语为that引导的名词性从句充当，在此从句中，使用了比较结构，破折号之间的部分为对前文he human brain's roughly one hundred billion nerve cells are much more talented的补充说明。
【妙译】在试图模仿人类思维的过程中，研究人员发现人类大脑的约一千亿个神经细胞比以前想象得要聪明的多，人类的知觉活动也比以前想象得复杂。

What we forget —— what our economy depends on us forgetting —— is that happiness is more than pleasure without pain.
【解析】本句子主干为what…—— what…—— is that…，两个what引导主语从句，that引导的表语从句happiness is more than…中包含一个比较结构。
【妙译】但是我们所忘记的 —— 我们的经济指望我们忘却的 —— 是幸福而不仅仅是没有痛苦的快乐。