Sustainability is not an option; it's a necessity for the future of our planet.
可持续性不是一种选择;它是我们星球未来的必需品。
所有人类行为都有以下七个原因中的一个或多个:机会、自然、强迫、习惯、理性、激情和欲望。
"Life is a shipwreck, but we must not forget to sing in the lifeboats."