I guess as they get sick, they just replace them from the waiting line of hungry would-be workers. There is different classes of people as there are in every country.
China does offer everyone the opportunity to be what they want.
Many of ou are still living in the Cuban Crisis years. Go to China and you will be amazed at the inventiveness of these people. Perhaps you should re-read and attempt comprehension before you post. I guess as they get sick, they just replace them from the waiting line of hungry would-be workers. There is different classes of people as there are in every country.