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.

物理学的美丽在于它能够用几个简单的原理解释宇宙。

If you don’t make mistakes, you’re not working on hard enough problems. And that’s a big mistake.