Innovation in cement production must balance efficiency with environmental responsibility.

The photograph is literally an emanation of the referent. From a real body, which was there, proceed radiations which ultimately touch me, who am here.

我不想只做一个歌手。我想成为一个表演者。

经济变革的过程在很大程度上是路径依赖的。

I did not write half of what I saw, for I knew I would not be believed.

Technological development should serve humans, not replace them.