国家是理性的行为体,它们寻求最大化相对权力,以确保在竞争性的国际体系中生存。
花儿凋落随水流去,带着淡淡的红色,心中有无尽的闲愁,默默无言地埋怨着东风。
The most important single aspect of software development is to be clear about what you are trying to build.
Sustainability isn't just a buzzword—it's our responsibility to future generations.