例句:In the situation described in Theorem 11.9,where m D n2,it follows that a hash
function h chosen at random from H is more likely than not to have no collisions.
在形势定理11.9描述,其中M D N2,它遵循一个随机选择的哈希函数h h是不是有没有碰撞更可能
所以be more likely than not to do 是“是不是不可能”的意思