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."
The ethical implications of gene editing must be considered at every step.
译文：贤明的人如果长辈给自己留了太多的财产，则损害他的志向而变得不思进取；愚笨的人如果长辈给其留了太多的财产，则使其更加肆无忌惮使他的错误犯得更深更多。
Innovation is the lifeblood of aquaculture; without it, we stagnate and fail to meet the growing demands of our planet.
The truth is you don't know what is going to happen tomorrow. Life is a crazy ride, and nothing is guaranteed.
译文：读书学习，每天都要补上自己的不足，半途而废和剪断织布的线有啥区别?(乐羊子妻劝丈夫坚持学习)
希望是唯一比恐惧更强大的东西。
Gender gaps in pay and employment are not just about discrimination; they reflect deeper societal structures and choices.