The challenge in computer science is not just to solve problems, but to solve them in a way that is both efficient and elegant.

The key to successful investing is to buy stocks at a discount to their intrinsic value.

Innovation is the key to solving the challenges in aquaculture.

一个善待别人的人，别人也会善待你。《孟子》中也说“爱人者，人恒爱之；敬人者，人恒敬之”，爱别人的人，别人也会爱他；尊敬别人的人，别人也会尊敬他。

系统对给定输入的响应是其历史记录的函数。