"A story has no beginning or end: arbitrarily one chooses that moment of experience from which to look back or from which to look ahead."

气候变化的挑战需要政府、企业和民间社会之间的合作。

问题不是蠢人特别多，而是闪电都没有准确击中每一个。

Make no mistake about it: Computers process numbers - not symbols. We measure our understanding (and control) by the extent to which we can arithmetize an activity.