The relation between what we see and what we know is never settled.
我们所见的和所知的关系从未确定。
Collaboration across industries is key to solving environmental challenges.
计算机科学的终极目标是创建既强大又可靠的系统。
法律体系的存在是一个事实问题,而不是道德问题。
暴力是无能者的最后避难所。