The camera is like a weapon; it's dangerous if you don't know how to use it.
We must learn from nature how to use resources efficiently.
为政仁德深厚,才能使社会安定;做事胸襟宽广,才能够容纳天下万民。
树枝迎来南北飞鸟,树叶送走往来清风
可持续性不是一种趋势,而是一种责任。
能源的未来在于传统资源与可再生替代品之间的平衡。