"The past is never dead. It's not even past."
森林的真正价值不能仅用木材体积来衡量;它的价值在于它所维持的生命。
Human cognition is best understood as a hierarchy of information processing levels.
技术变革不是外生的;它是人们对市场激励做出反应而采取的有意行动的结果。