La memoria es fundamental para no repetir los errores del pasado.
可持續(xù)性不僅僅是一個(gè)流行詞，它是對(duì)未來世代的承諾。
死者并未消失。他們只是看不見了。
There is no easy walk to freedom anywhere, and many of us will have to pass through the valley of the shadow of death again and again before we reach the mountaintop of our desires.