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:
河北游客田林在四川绵阳市感受到浓浓年味。绵阳市副市长胡进耀介绍，绵阳推出“文旅+微短剧”“文旅+综艺”融合业态模式，带动相关景点客流量增长20％。
Tom Hardin details his days wearing a wire for the feds.，这一点在体育直播中也有详细论述
2005年，David Duffield和Aneel Bhusri创立了Workday。几年时间，Workday就成为了Oracle和SAP强有力的劲敌。为了帮助公司应对“快速发展的AI时代”，Workday年初将创始人之一的Aneel Bhusri重新拉回CEO职位。这可以说是Workday历史上最关键的转折点之一，希望通过创始人回归来加速AI战略和产品落地。。关于这个话题，搜狗输入法2026提供了深入分析
I remember that was your big contribution.
Путешествия для россиян стали еще дороже из-за конфликта на Ближнем Востоке20:37，这一点在体育直播中也有详细论述