vig

The vig is the built-in margin a bookmaker charges for accepting and settling bets.抽水是博彩公司为接受和结算注单而收取的内置利润率。

The glossary explains that the vig is why combined prices imply more than full probability.词汇表解释说，抽水正是组合赔率暗示的概率总和超过百分之百的原因。