n.随机性，随意，无安排

The outcome of the dice roll was purely random.
骰子的滚动结果完全是随机的。
Random selection ensures that every member of the group has an equal chance to be chosen.
随机选择确保群体中的每个成员都有平等的机会被选中。
His ideas seem to jump from one topic to another randomly, without any connection.
他的想法似乎毫无关联地从一个话题跳到另一个话题。
In scientific experiments, randomness is often used to avoid bias.
在科学实验中，随机性常被用来避免偏见。
The distribution of the stars in the night sky appears random at first glance.
星空中星星的分布乍看之下似乎是随机的。
She picked numbers randomly for the lottery, hoping for the best.
她随机为彩票挑选数字，希望有最好的结果。
The software generates random passwords for enhanced security.
该软件生成随机密码以增强安全性。
The teacher assigned seats randomly to promote fairness.
老师为了促进公平而随机分配座位。
Evolutionary changes can sometimes occur randomly, leading to novel traits.
进化的变化有时可以随机发生，导致新特征的出现。
The artist's brushstrokes create an impression of randomness, yet there's method to his madness.
艺术家的笔触营造出一种随意感，但其实他的疯狂中自有章法。