我们总是从零开始。没有先入为主的想法。
The challenge in learning is not just to memorize, but to generalize from specific examples to broader concepts.
解决问题仅仅意味着以某种方式表示它，以使解决方案变得透明。
La literatura es el espejo de la sociedad, reflejando sus virtudes y sus defectos.
The anarchic nature of the international system means that states must rely on self-help to ensure their survival.