Sustainability is not an option; it's a necessity for the future of agriculture and food production.
可持续性不是一种选择;它是农业和食品生产未来的必需品。
学校应该是一个微型社区,一个萌芽中的社会。
The real challenge in computer science is not to write programs, but to understand the nature of computation.
我不相信遗憾。一切事情的发生都有原因。