"Inventing something is really hard. It will be devastating if a hard-won innovation is quickly followed by many copycats."
Zhang Xiaoqiang, a political advisor, talking about how to encourage science and technology innovation.
I’ve lived in China for quite a considerable time including my graduate school years, travelled and worked in a few cities and still choose my destination taking into consideration the density of smog or PM2.5 particulate matter in the region.