Title Text:At first I thought I would need some gold or something to pay him, but then I realized that it was the 18th century and I could just bring a roll of aluminum foil. Origin:https://xkcd.com/2694/ https://www.explainxkcd.com/wiki/index.php/2694:_K%C3%B6nigsberg 柯尼斯堡 起初我以为我需要付给他黄金或者别的什么，但后来我意识到这是18世纪，我可以带一卷铝箔纸。 注释：…