The most important political development of the last half century has been the spread of liberal democracy around the world.
未来将不会有非人工智能公司的存在。
The climate doesn't care about political boundaries.
The study of L-functions is a journey into the hidden symmetries of the number field.
聚合物的研究不仅仅是化学的一个分支;它是化学与生物学、物理学和工程学之间的桥梁。