玩耍是童年的语言，书籍也应该用这种语言表达。

In the end, we are all alone, and we must face the consequences of our actions by ourselves.

Mathematics is a universal language that transcends cultural and linguistic barriers.

创新不仅仅是创造新产品；它关乎我们如何重新构想解决问题的方式。

创新和技术将是解决我们面临的能源挑战的关键。

老兵不死，只是凋零。