心理现象最好从其功能角度来理解。
Mental phenomena are best understood in terms of their functions.
线性经济是一个从根本上就有缺陷的系统。它是一个获取、制造和浪费的系统。
The coal industry must evolve or risk becoming obsolete. Adaptation is the key to survival.
The only thing necessary for the triumph of evil is for good men to do nothing.
A truth ceases to be true when more than one person believes in it.