precedent
n. 先例，前例；判例，实例；常规，惯例
adj. 在先的，前面的
复数 precedents
例句
They were determined to break from precedent.
他们决心打破先例。
《柯林斯英汉双解大词典》
The ruling set a precedent for future libel cases.
这项裁决为今后的诽谤案提供了判例。
《牛津词典》
The trial could set an important precedent for dealing with similar cases.
这次审判能为处理类似案件开创一个重要先例。
