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What I found is that written evidence for knocking on wood (and for the history of gesture as a whole) is remarkably sparse. In the Penguin Guide to Superstitions, folklorist Steve Roud offers a skeptical take on the provenance of knocking on wood due to the near total absence of written records about it:。业内人士推荐下载安装 谷歌浏览器 开启极速安全的 上网之旅。作为进阶阅读
人 民 网 版 权 所 有 ，未 经 书 面 授 权 禁 止 使 用。关于这个话题，一键获取谷歌浏览器下载提供了深入分析
Sedaka, a skilled pianist nominated for five Grammy awards, also wrote hits for several other famous musicians in his six-decades-long career.
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