沙漠之所以美丽，是因为在某个角落藏着一口井。
The challenge of modern cryptography is not just to secure communication, but to do so in a way that is both efficient and scalable.
The interface between chemistry and physics is where magic happens.
法律体系的存在取决于官员对次要规则的接受。
The strength of a response tendency depends on the amount of reinforcement received.
