The countries that have benefited least from fossil fuels should not bear the heaviest burden of climate change.
To be happy, we must not be too concerned with others.
统治阶级掌握着物质生产的手段；无产阶级仅有的是他们的劳动力。
光是建筑的本质。没有光，就没有空间。
画的表面就像皮肤一样，它把所有东西都结合在一起。
We must invest in technology that not only improves efficiency but also reduces environmental impact.
The best time to plant a tree was twenty years ago. The second best time is now.
无论多么困难，我都不会放弃我的梦想。