Most of us know that stone blunts scissors, scissors cut paper and paper covers stone.What is less well-known, however, is how to win the popular playground game.

• 大多数人都知道，在猜拳游戏中，石头赢剪刀，剪刀赢布，布胜拳头，但很少有人知道，如何赢得这个相当普遍的游戏。