At present, psychologists often discuss about two theories of the mechanism on insightproblem solving: progress monitoring theory and representational change theory.
目前顿悟问题解决的心理机制主要存在两个有争议性的理论：进程监控理论和表征变化理论。
2
Yet I believe it is precisely from an evolutionary standpoint that we can expect new insight into the problem of the nature of man.
然而我相信，我们可以期待的正是从进化的角度对人类本性问题的新见解。
3
Born of necessity as much as of insight, it answered an absurd practical problem.