"El arte de escribir es el arte de descubrir lo que uno cree."
Learning is the process of modifying symbolic structures to improve performance.
二十世纪最后二十五年最显著的发展是世界看似强大的独裁政权核心的巨大弱点被揭示。
每个数学问题都有解答;挑战在于找到它。
You are stronger than you think.
The future of dairy lies in balancing tradition with cutting-edge technology.