乐观是一种可以学习的技能。
Every age has its pleasures, its style of wit, and its own ways.
量子世界不仅仅是经典世界的缩小版;它遵循完全不同的规则。
写作是一种存在于世界的方式,一种无需离开家就能参与其中的方式。
Every decision we make in aquaculture has a ripple effect on the ecosystem.