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

释义：善于游泳的人容易被淹死，善于骑马的人常常落马而摔伤，他们各因自己的爱好特长而招致灾祸。比喻有专门本领的人往往因自恃而招致灾祸。

The tragedy of great power politics is that it leads to conflict and war.

A film is never finished, only abandoned.

In the end, the value of a theory is not in its complexity, but in its ability to explain and predict.

You are not the opinion of somebody who doesn't know you.