我写作是为了理解我周围的世界。

The security dilemma is a fundamental feature of international politics, as states' efforts to increase their own security often decrease the security of others.

小猪：“我们会永远是朋友，对吗维尼?”维尼：“我们的友谊比永远还要远。”

创新不仅仅是技术问题，更是改变我们思维和运营方式的问题。