This looked much better than what I had before. But it was a bandwidth hog.
Цены на нефть взлетели до максимума за полгода17:55
，更多细节参见safew官方版本下载
The “Knocking on Wood” Wikipedia page mentions Roud’s conclusion, and this claim of a 19th century origin has circulated online as the final say on the matter. If you go back to the original, though, Roud’s proposal actually ends on an ambivalent note: “Before this theory [of 19th century origins] can be finally accepted, however, an examination of the history of European forms of this custom would be advisable.”
Maggie 姐在新花都夜总会（图：南方人物周刊记者 方迎忠）