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The most important skill for an empirical researcher is not math, but judgment.
我们生产的每一件塑料制品都应该有明确的再利用或回收路径。
"Children's books should challenge, comfort, and inspire."
Do not retreat in the face of difficulties, do not shirk responsibility.
就像亲爱的圣芳济一样,我也和贫穷联姻,但我的婚姻并不成功。
The causal framework is the foundation of scientific reasoning.