The greatest significance of cloud computing is that it lowers the threshold of innovation.
每一个数学问题都是一个等待解决的谜题,每一个解决方案都是迈向更深入理解的一步。
诗人是他时代的见证者,是人类情感的编年史家。
The principles of conditioning apply equally to all species.
A good abstraction is one that captures the essential aspects of a concept while ignoring the irrelevant details.