So far, machines have a pretty hard time emulating creativity, arbitrary enough not to be predicted by a computer, and yet more than simple randomness.
2019年6月六级真题(第三套)阅读 Section C
柯林斯高阶英汉双解学习词典释义
ADJ
任意的;随机的;偶然的
A random sample or method is one in which all the people or things involved have an equal chance of being chosen.