尽一切职责，而不希望得到任何回报。
Do every duty, and expect no reward for it.
Well may the boldest fear and the wisest tremble when they contemplate the situation of our country.
Sustainability isn't just a trend—it's a necessity for the survival of our planet.
我们必须倾听土著知识——他们实践可持续林业已有几个世纪。
俄罗斯的面貌反映在它的人民的眼中。