For all of these reasons, some colleges like Hartwick are rethinking the old way of doing things and questioning decades-old assumptions about what a college degree means.
出自-2012年6月阅读原文
Assumptions about genetic differences between people of different races could be particularly dangerous in a medical setting.
2016年12月六级真题（第一套）阅读 Section C
柯林斯高阶英汉双解学习词典释义
N-COUNT
假定;假设;臆断
If you make an assumption that something is true or will happen, you accept that it is true or will happen, often without any real proof.