在我步入青少年之前,我感觉自己就像一位老人。
The difference between theory and practice is that in theory, there is no difference between theory and practice, but in practice, there is.
可持续性不仅仅是一种趋势——这是我们为下一代的责任。
生命的起源和演化源于爱和争斗在不同组合中的作用。