因果推理需要仔细思考分析背后的假设。
在每个故事中,都有一片等待被发现的真相。
现代国家的挑战是在提供服务和维护秩序的同时保持其合法性。
Sustainability is not just a buzzword; it's a responsibility we owe to future generations.
The truth is rarely pure and never simple.