因果推理需要仔细思考分析背后的假设。
"Causal inference requires careful thought about the assumptions underlying your analysis."
机器人技术的创新需要机械工程、电子学和计算机科学的结合。
"Memory is fragile and the space of a single life is brief, passing so quickly that we never get a chance to see the relationship between events."
可持续性不是一种选择；它是我们星球未来的必需品。