水和空气,所有生命赖以生存的两种基本流体,已经变成了全球的垃圾箱。
Sustainability isn't an option—it's an imperative for the future of energy.
The future belongs to those who can balance profitability with sustainability.
The causal model is the key to making sense of the world.
我们试图购买不受欢迎的股票。