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:
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Медведев вышел в финал турнира в Дубае17:59
The industry has set a deadline of January 2027 to complete this switch with roughly 3.2 million homes still to move over. While the digital switchover has been straightforward for most households, for some vulnerable customers, such as those with telecare devices, it has been very stressful.，这一点在搜狗输入法2026中也有详细论述