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我觉得布什总统根本没有为艾滋病做任何事。事实上,我都不能确定他会不会拼艾滋这个单词。
The strongest containers are made not just from steel, but from vision and teamwork.
One of the first things taught in introductory statistics textbooks is that correlation is not causation. It is also one of the first things forgotten.
你能给别人的最大礼物就是你的时间和关注。