presumptions

英 [prɪˈzʌmpʃənz]

美 [prɪˈzʌmpʃənz]

n. 可能的事; 认为真实的事; 非分的行为; 妄自尊大; 推定; 假定; 假设
presumption的复数

柯林斯词典

N-COUNT 假定；假设
Apresumptionis something that is accepted as true but is not certain to be true.
1. ...the presumption that a defendant is innocent until proved guilty...
  被告在被证实有罪之前都被视为无罪的假定
2. I'm having to make a lot of presumptions since I don't really know anything about the case.
  事实上我对这个案件一无所知，很多观点都只能是假设。
N-UNCOUNT 擅自；放肆；冒昧
If you describe someone's behaviour aspresumption, you disapprove of it because they are doing something that they have no right to do.
1. They were angered by his presumption.
  他们对他的放肆感到非常愤怒。