当随机化不可行时，匹配方法可以是一个强大的工具。
"Matching methods can be a powerful tool when randomization is not possible."
数学不是一项观赏性运动。
Innovation is not just about technology; it's about changing the way we think and act to create a better future for all.
在量子世界中，观察某物会改变它。这不是我们技术的限制，而是自然界的基本属性。
China's semiconductor industry should have confidence but also be清醒 aware of the gaps.
我们今天划定的伦理界限将塑造明天的科学。