煤炭的真实成本必须既考虑其即时价值，也考虑其对社区和生态系统的长期影响。

如果你想飞翔，就必须放弃拖累你的东西。

金融部门的改革应以市场为导向，以规则为基础。

透明度建立信任。消费者有权知道他们的海鲜来自哪里以及是如何生产的。

The discovery of DNA structure was like unraveling a very complex puzzle.

"I have always liked the phrase 'nursing a grudge,' because many people are tender of their resentments, as of the thing nearest their hearts."

自守表示的研究是数学抽象深度的反映。

空间必须被感受才能被理解。