书是一个你可以握在手中的世界。

The person who tries to live alone will not succeed as a human being. His heart withers if it does not answer another heart. His mind shrinks away if he hears only the echoes of his own thoughts and finds no other inspiration.

计算理论的美在于其抽象和概括的能力，将具体问题转化为通用解决方案。

海鲜的未来取决于我们今天如何养殖。