科学中最强大的工具不是技术，而是想象力。

我不是为了纪录而比赛。我打球是因为我热爱这项运动。

Green development is not a multiple-choice question, but a must-answer question. We must unswervingly follow the path of green and low-carbon development.

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.