The most important thing in mathematics is to understand the concepts, not just to memorize formulas.
The market doesn’t reward complacency.
在孩子的生命中,没有什么可以替代书籍。
Sustainability is not just about the environment; it's about creating long-term value for all stakeholders.
"书籍是时间的容器,它们保存着过去的思想和情感,供未来的读者探索。"