Silence is argument carried out by other means.
我认为数学家的作用是发现这些模式并解释它们。
迈向可持续实践的每一个小步骤都很重要;完美不是目标,进步才是。
The mining industry has a responsibility to leave communities better than we found them.
农业的创新不仅仅是技术问题,更是思维方式的转变。