Which city is better to find a job, Guangzhou or Shenzhen?

Shenzhen has the best environment, followed by Guangzhou. Shanghai is the worst, most of the urban areas are crowded, and it is rare to see a tree. The opportunity depends on how you do it. For example, there are many opportunities in Shanghai in terms of finance, and of course the competition is fierce. Shenzhen has the highest income, and Shanghai is similar to Guangzhou. In addition, if you are a foreigner, you might as well go to Shenzhen, a new immigrant city. If you go to Shanghai, it will be difficult to get along with Alamos.