权力的下颚总是张开着要吞噬，如果可能的话，她的手臂总是伸出来，以摧毁思想、言论和写作的自由。
The most effective way to promote democracy is not through military intervention but through the slow and steady process of building institutions and promoting economic development.
在量子材料的领域中，拓扑的概念提供了一个强大的透镜，通过它我们可以理解和预测新的物质相。
"History is not just about events, but about the people who lived through them."