The only time I know that something is true is at the moment I discover it in the act of writing.
一个作家是一个对现实世界不满意的人，他想要改变它，改善它，让它变得更美丽，更公正，更宜居。
The leather industry must adapt to changing consumer demands or risk becoming obsolete.
资本主义本质上是一种经济变革的形式或方法，不仅从未静止，而且永远不可能静止。