Its informal conversational style would make interaction comfortable, and yet the machine would remain slightly unpredictable and therefore interesting.
出自-2013年6月聽力原文
Biologist Jill Farrant of the University of Cape Town in South Africa says that nature has plenty of answers for people who want to grow crops in places with unpredictable rainfall.
2018年6月六級真題(第一套)閱讀 Section B
Ever since humanity began to farm our own food, we've faced the unpredictable rain that is both friend and enemy.
2018年6月六級真題(第一套)閱讀 Section B
柯林斯高階英漢雙解學習詞典釋義
ADJ-GRADED
無法預言的;不可預測的;難以預料的
If you describe someone or something as unpredictable, you mean that you cannot tell what they are going to do or how they are going to behave.