相关性和因果关系之间的区别不仅仅是学术上的——它可能具有深远的政策影响。
The difference between correlation and causation is not just academic—it can have profound policy implications.
The past is a source of knowledge, and the future is a source of hope. Love of the past implies faith in the future.
伟大的领导者愿意为了团队更大的利益而牺牲自己的舒适。