如果你无法简单地解释它，说明你理解得还不够透彻。
If you can't explain it simply, you don't understand it well enough.
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.
Collaboration across industries is key to unlocking scalable solutions for decarbonization.