States are rational actors that seek to maximize their relative power in order to ensure their survival in a competitive international system.
To understand a sentence means to understand a language.
伤口是光进入你身体的地方。
优秀的数学家不是知道所有答案的人,而是能提出正确问题的人。
You know some birds are not meant to be caged,their feather are just too bright.
建筑是关于创造场所,而不仅仅是建筑物。
一个精心设计的空间可以改变人们的生活和互动方式。