对我们森林的最大威胁不是斧头,而是冷漠。
The most important thing is to find the right form for the right content.
可持续性不是一种选择,而是我们对后代的责任。
数学思想的真正考验是它能否激发更多的问题。
The ultimate meaning to which all stories refer has two faces: the continuity of life, the inevitability of death.
创新和技术将是可持续满足世界能源需求的关键驱动力。