计算机是一种表达媒介，就像钢琴是一种表达媒介一样。

采石业必须与技术一起发展，否则就有落后的风险。

The materials I use are not just objects; they are carriers of meaning.

历史不仅仅是过去的事情，它也是现在的镜子。

The competitor to be feared is one who never bothers about you at all, but goes on making his own business better all the time.

Cloud computing is not a technology, but a service model.