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And when your stomach is empty and your mind is full,it's always hard to sleep.
造纸行业的创新不仅关乎技术,更关乎重新思考我们与自然资源的关系。
Collaboration across borders is essential to combat deforestation and climate change.《全球森林管理》
The divine right of husbands, like the divine right of kings, may, it is hoped, in this enlightened age, be contested without danger.