The process let them look effectively for small hake and other fish that move often and unpredictably.

VOA: special.2010.03.02

Almost any game you play has some kind of randomness or pseudorandomness which means that things change overtime somewhat unpredictably.

大多数你所玩过的游戏都有某种,随机数或者伪随机数,这就意味着每个事件都存在不可预测性。

哈佛公开课 - 计算机科学课程节选