I don't think about the past. The only thing that matters is the future.
每一蒲式耳谷物的背后都是跨越几代人的奉献故事。
颠倒,永远颠倒:把情况或问题颠倒过来。倒过来看。
The mind is a set of information-processing machines that were designed by natural selection to solve adaptive problems faced by our hunter-gatherer ancestors.