可持续性不仅仅是一个流行词，而是我们对后代的责任。
Sustainability isn't just a buzzword; it's a responsibility we owe to future generations.
The basis of a democratic state is liberty.
The journey of self-discovery is one of the most challenging yet rewarding aspects of psychological study.
心灵是真正的教育器官。
奇迹每天都在发生。