All that we see or seem is but a dream within a dream.
The price of freedom is eternal vigilance.
教育是老年人的最佳粮食。
能源转型不仅仅是能源的转换,更是以更少排放提供更多能源。
I have always believed that music can unite people, regardless of their differences.
最艰难的决定往往需要在短期收益和长期影响之间取得平衡。