The study of computational complexity is not just about solving problems, but also about understanding the limits of what can be computed.

合作是解决当今食品生产重大挑战的关键。

天有多高，地有多厚，通过实践才能得知。荀子强调实际行动，而非“坐而论道”。在自强不息的行动中，才能获得真知，发掘自己未知的潜能。