国际体系的结构迫使国家以某种方式行事，无论其内部特征如何。
The pursuit of knowledge is endless, and that’s what makes it exciting.
晏子春秋
The future of quantum computing will depend on our ability to control and manipulate quantum systems with high precision.
A proof of a proposition is a process the nature of which is such as to produce in us a belief in that proposition.