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随机实验是因果推理的黄金标准,但它们并不总是可行的。
"Randomized experiments are the gold standard for causal inference, but they are not always feasible."
Our culture is not just something we carry in our hearts; it is the very fabric of our existence.
The only way to escape the mundane is to embrace the extraordinary.
"Children's books should be both a mirror and a window."
Success is not about the destination, it's about the journey.
For beautiful eyes, look for the good in others; for beautiful lips, speak only words of kindness; and for poise, walk with the knowledge that you are never alone.