Innovation is not just about creating new products; it's about rethinking how we use resources to build a sustainable future.
数学中最重要的是理解概念,而不仅仅是记忆公式。
以物易物、互通有无的倾向是人类共有的,也是其他动物所没有的。
To solve a problem, one must first understand its nature and then find the right tools to tackle it.