n. 1.先例，前例；惯例。 2.【法律】判例。 短语和例子 There is no precedent for it. 那是没有前例的。 without precedent 无前例的，空前的。 have no precedent to go by 无先例可循。 set [create] a precedent for 为…开先例。 adj. -less 没有前例的。 adj. 在前的，在先的；优先的。 a condition precedent (财产转让，合同生效等之前的)先决条件。
an example that is used to justify similar occurrences at a later time 同义词：case in point,
(civil law) a law established by following earlier judicial decisions 同义词：case law, common law,
a subject mentioned earlier (preceding in time)
a system of jurisprudence based on judicial precedents rather than statutory laws; "common law originated in the unwritten laws of England and was later applied in the United States" 同义词：common law, case law,
preceding in time, order, or significance
例句与用法
1.
Here there was an instructive precedent . 这里有一个可做前车之鉴的先例。
2.
There is no precedent for it . 那是没有前例的。
3.
There 's no precedent for this . 向无此例。
4.
When a precedent is overruled the effect is retrospective . 先例被宣告无效时，其结果溯及既往。
5.
The government loans for chrysler had set a bad precedent . 政府贷款给克莱斯勒开了一个恶劣的先例。
6.
A juridical precedent is nothing but "authenticated custom" . 司法惯例只不过是“权威的惯例”罢了。
7.
There was an apt precedent for this in the previous war . 这样的做法，在上次大战中，恰好是有先例的。
8.
This is a wonderful achievement without precedent in chinese history . 这是中国历史上亘古未有的奇绩。
9.
If he is allowed to do this , it will be a precedent for others . 如果允许他这么做了，就会为别人开先例。
10.
Management, unlike law, is not a science based on precedent . 管理学不同于法学，不是一门以前例为依据的科学。
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