天然气将在向低碳未来的过渡中发挥关键作用。
Nothing is a waste of time if you use the experience wisely.
I try to reveal the complexity of humanity through my work.
理解布莱克-斯科尔斯模型的关键在于认识到它是基于创建无风险对冲的理念。
自由民主的未来取决于其适应新挑战并维持公民支持的能力。