Credit: Samsung
The two most popular explanations of origin are that the belief goes back to pagan times when we believed in tree spirits, or that we are invoking Christ’s protection by referring to the wood of the Cross. The former is nothing but guesswork, based on the conviction that all superstitions must be ancient, and it has the usual problem of spanning thousands of years with no evidence at all of its existence, or, for that matter, any evidence that ‘we’ ever believed in tree spirits.
，这一点在旺商聊官方下载中也有详细论述
2024年12月25日 星期三 新京报
"The problem is the opportunities sometimes are just not available to them. That's what we've got to address."