词的体制，幽微美好，能够表达诗所不能表达的内容，但不能完全表达诗所能表达的内容。

Sometimes the hardest thing and the right thing are the same.

The best way to predict the future is to create it.

今天种植的每一棵树都是留给后代的遗产。

技术不仅仅是一种工具，它可以是进步的重要伙伴。

A proof that P = NP would have profound implications for mathematics, cryptography, and algorithm design.

请求原谅比获得许可更容易。