A man was crossing the river when he accidentally dropped his sword into the river. Immediately he made a mark on the boat where the sword had fallen. “This is where my sword fell off, I shall find my sword by this mark.” he said. When the boat stopped moving, he went into the water to look for his sword at the place where he had marked the boat. Needless to say, it was useless. The boat had moved but the sword had not. He was unable to find the lost sword. 

一名男子因过河时，不慎掉进他的剑 河。他马上就在剑下降船商标。“这就是我的剑掉下来，我会找到我 剑这个标志。“他说。当船停止移动，他进了水，他看剑的地方， 他标志着船。不用说，这是无用的。该船搬迁，但剑没有。他无法找到 失去了剑。