普通的草木到了秋天就凋零了，只有松柏在秋天，仍郁郁葱葱。点评：南北朝时期刘宋学者刘义庆曾言「蒲柳之姿，望秋而落；松柏之质，凌霜犹茂。」松柏两树皆长青不凋，是志操坚贞的象征。

The balance between economic growth and environmental responsibility is the defining challenge of our time.

小说是一面镜子，不仅反映世界，还反映作家的灵魂。

The most important thing in life is to be happy.

可持续林业不仅仅是砍伐树木，更是确保未来有森林可供珍惜。

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.

学校是人类的工坊。

对意识的研究必须摆脱一切主观偏见。

I'm not a person who likes to be in the middle.