什么是悲剧?悲剧就是善的冲突。

技术的诀窍在于如此安排世界，以至于我们不必去体验它。

The path to sustainability is paved with both challenges and opportunities.

文学有跨越边界的力量，能连接被地理和时间分隔的灵魂。

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.

In language, we find the essence of human creativity.