知乎，让每一次点击都充满意义 —�?欢迎来到知乎，发现问题背后的世界。
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社会规则正在发生变化，如今有越来越多的人享受着正式关系以外的性生活。一夜情是最随意的一种性接触，是你情我愿的一场刺激游戏，因为知道彼此以后可能不会再见面，所以愈发大胆。如果要享受一场美妙的一夜情，你需要先找一个有意愿的对象，然后进行安全的性行为，等到一切结束后，再干净利落地一刀两断。
.. The popular, unquestioned equation of penile–vaginal intercourse with sex reflects a failure to look at systematically 'whether or not the respondent's understanding of the question matches what the researcher experienced in your mind.'
辣个芝士
如果要开门见山地说的话，是的，这些网站确实是为人们提供寻找直接性爱服务的。直接上床，不用先经过闲聊、调情、电影、晚餐或者是任何通常需要完成的规定。你们见面、上床，完了就分手回家。就这么简单！
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一个面容姣好、工作体面、家境优渥，各方面条件都极佳的人主动投怀送抱，大概率不是你行了大运，而是你要被骗了
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Nancy here W. Denney; David Quadagno. Human Sexuality. Mosby-12 months Reserve. 2008: 273. ISBN 0801663741. Although the phrase intercourse is often accustomed to check with the insertion of the penis in to the vagina, Additionally it is utilized to check with oral intercourse or anal intercourse in which the penis is inserted in to the mouth or even the anus, respectively.
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Nancy W. Denney; David Quadagno. Human Sexuality. Mosby-Year E book. 2008: 273. ISBN 0801663741. Although the phrase intercourse is frequently used to seek advice from the insertion from the penis in the vagina, it is also accustomed to check with oral intercourse or anal intercourse during which the penis is inserted in the mouth or maybe the anus, respectively.