始终使用止损单。
自然的简单性不应以我们概念的简单性来衡量。
The strength of a political system lies in its ability to adapt to changing circumstances.
统计学家不能推卸理清科学推断原理的责任,同样,任何其他思考者也不能避免类似的义务。
Collaboration across borders is key to solving global challenges in aquaculture.