To create something that's never been seen before is the greatest challenge.

The prosperity of agriculture is the foundation of national prosperity.

解释：君主对发生在堂上、堂下、门廷之内的事都不知道，则虽是近处，却比百里、千里、万里之外更远。

The elegance of a mathematical proof often mirrors the efficiency of the algorithm it describes.

水果种植的未来在于平衡传统与尖端科学。