气候变化的挑战需要政府、企业和民间社会之间的合作。
The challenge of climate change requires collaboration between governments, businesses, and civil society.
资本资产定价模型并非旨在成为资本市场的实证均衡理论,而是一种规范性理论,描述如果投资者以某种方式行事,价格应如何表现。
煤炭的真正成本不仅在于价格,还在于我们如何管理其后果。
The wild is a place of beauty. To survive, you have to appreciate it.