人为什么想要只狗，我想是为了安全。当你知道这个世界上至少还有一个生物在爱着你，这会让你感到安全。
Sustainability isn't an option—it's a responsibility we owe to future generations.
Exploring the topological aspects of materials is not just about understanding their current properties, but also about predicting and designing new functionalities.
现在如果天下的人都相信鬼神能赏贤罚暴,那么天下怎么还会混乱！