For those who do return back to the countryside, they find themselves very welcome locally, because with the knowledge, skills and networks they have learned in the cities, with the assistance of the Internet, they're able to create more jobs, upgrade local agriculture and create new business in the less developed market.

The most credible empirical research often comes from studies that have a clear and transparent design, where the assumptions are laid out for everyone to see.

过去从未消逝，它甚至从未过去。