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:
The OpenAI-powered assistant's other duties sound potentially useful (and decidedly less creepy). It can answer workers' meal prep questions, like how many strips of bacon to put on burgers or instructions for cleaning the shake machine. It's also integrated into the chain's point-of-sale system, so it can tell managers when items are out of stock or machines are down.，推荐阅读WPS下载最新地址获取更多信息
The government-run Bolivian News Agency reported that at least a dozen people were arrested for stealing banknotes.，推荐阅读safew官方版本下载获取更多信息
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