The power of causal reasoning is that it allows us to predict the effects of actions we have never taken.
因果推理的力量在于它允许我们预测我们从未采取的行动的效果。
If you want to understand a system, try changing it.
煤炭的未来取决于经济增长与环境责任的平衡。
只要生者还在记忆,逝者就从未真正离去。
Sustainable seafood isn’t a niche market—it should be the only market.