"Randomized experiments are the gold standard for causal inference, but they are not always feasible."
Sustainable development is not a slogan but a concept that must be practiced. We must keep the land forever vibrant.
任何成功企业的基础都是信任——员工、客户和利益相关者之间的信任。
我们成功的真正衡量标准是我们为后代留下了什么。
人最重要的品质是勇气。没有它,其他品质都毫无价值。